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Edited By Team Careers360 | Updated on May 11, 2023 02:42 PM IST

The number 72 in words is seventy-two. The number 72 is written as "seventy-two" in both the International System of Numbers and the Indian System of Numbers. The number 72 denotes a certain quantity, hence it is a cardinal number. For example, if we want to communicate that there are 72 pages in a notebook, we would say or write that the notebook has seventy-two pages. Read ahead to know how to represent 72 in words in detail.

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72 is a natural number that is subsequent to the number 71 and prior to the number 73. In mathematics, natural numbers are positive integers that are used for counting purposes and are hence also referred to as counting numbers. Natural numbers start from 1 and go on till infinity. Thus the sequence of natural numbers is 1, 2, 3, 4,.... till infinity. As 72 falls within this sequence, it is considered a natural number.

72 is not an odd number. 72 is an even number as it can be divided by 2 to yield two equal parts. When 72 is divided by 2, the remainder is zero and thus it is an even number. Even numbers can be of one or more digits. Examples of one-digit even numbers are 0, 2, 4, 6, and 8. Examples of two-digit even numbers are 12, 14, 16,..., and so on till 98. A simple way of understanding if any number is even, is by checking if the last digit of the number is an even number. In 72, we see that the last digit is 2, which is indeed an even single-digit number. Hence we can easily determine that 72 is also an even number.

The number 72 is a composite number. A number is referred to as a composite number if it is divisible by any other number apart from 1 and the number itself. A composite number hence has more than two factors. For the number 72, we see that it is divisible by 1, 2, 3, 4, 8, 9, 12, 18, 24, 36, and 72. It has 11 factors and is hence a composite number. To find out if any number is divisible by another number, we need to follow a set of rules called divisibility rules. For example, the divisibility rule to check if a number is divisible by 2 is by confirming that the number is even. Similarly, there are such divisibility rules for all numbers.

The place value chart can be effectively utilized to describe the position of the digits of any number. Each digit of a number has a value depending on its position in the place value chart. For a two-digit number like 72, the place values used to describe the position of the digits are ones and tens. Let us examine the place value of each digit in the number 72 according to its placement in the place value chart.

Tens | Ones |

7 | 2 |

We can see in the place value chart, that there are 2 “ones” and 7 “tens”. According to set standards, we read the number from right to left and determine their place value. The place value of each digit is as follows:

Place value of 7 is “Ten”

Place value of 2 is “One”

Thus the number 72 can be explained as seven “tens” and 2 “ones”. Hence the right way to express the number 72 in words is seventy-two.

In the place value chart, we can see that the digits for 72 are as placed as follows:

tens = 7 and ones = 2. Therefore we express 72 in words as “seventy-two”.

Mathematically, this expanded form can be expressed as follows:

\begin{aligned}

&=7 \times \text { Ten }+2 \times \text { One } \\

&=7 \times 10+2 \times 1 \\

&=70+2 \\

&=72 \\

&=\text { Seventy-two }

\end{aligned}

**You can find out the detailed other number in words article list below:-**

1. Is 72 a prime number?

No, 72 is not a prime number as it is divisible by numbers other than 1 and itself.

2. Is 72 a perfect square?

No, 72 is not a perfect square.

3. What is the root of 72?

The root of 72 is 8.485.

4. What is 32+40 in words?

Simplifying 32+40 gives us 72 which is “seventy-two” in words.

32+40=72

5. Does the number 72 fulfill the divisibility criteria of the number 12?

Yes, the number 12 fulfills the divisibility criteria of the number 12.

A number is divisible by 12 only if it is divisible by both 3 and 4. Let us check if 72 fulfills the divisibility criteria of 3 and 4.

Divisibility criteria of 3 - Summation of the digits of the number have to be divisible by 3. For 72, we can see that the summation of the digits for 72 is

7+2=9

We know 3 times 3 is 9, and hence 9 is divisible by 3. Therefore, 12 is divisible by 3.

Divisibility criteria of 4 - The last two digits of a number have to be divisible by 4. As 72 is a two-digit number, we can easily check that it can be divided by 4 with zero as a remainder. Hence 72 is divisible by 4 too.

As 72 is divisible by both 3 and 4, we can conclude that it is divisible by 12.

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