79656372 has 84 divisors (see below), whose sum is σ = 213003840. Its totient is φ = 26045712.

The previous prime is 79656371. The next prime is 79656433. The reversal of 79656372 is 27365697.

79656372 is a `hidden beast` number, since 7 + 9 + 6 + 5 + 637 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79656371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 171813 + ... + 172275.

It is an arithmetic number, because the mean of its divisors is an integer number (2535760).

Almost surely, 2^79656372 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79656372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106501920).

79656372 is an abundant number, since it is smaller than the sum of its proper divisors (133347468).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

79656372 is a wasteful number, since it uses less digits than its factorization.

79656372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544 (or 527 counting only the distinct ones).

The product of its digits is 476280, while the sum is 45.

The square root of 79656372 is about 8925.0418486414. The cubic root of 79656372 is about 430.2691158363.

The spelling of 79656372 in words is "seventy-nine million, six hundred fifty-six thousand, three hundred seventy-two".