Is 72 an abundant number and what is its abundance?

Is 72 an abundant number?

Here we will explain and calculate if 72 is an abundant number and its abundance if applicable.

72 is an abundant number if the sum of its proper divisors is greater than 72.

The sum of its proper divisors is calculated as follows: 1 + 2 + 3 + 4 + 6 + 8 + 9 + 12 + 18 + 24 + 36 = 123.

123 is greater than 72. Therefore, 72 is an abundant number.

The abundance of 72 is the sum of its proper divisors minus 72. Thus, the abundance of 72 is 123 - 72 = 51

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