79657572 has 12 divisors (see below), whose sum is σ = 185867696. Its totient is φ = 26552520.

The previous prime is 79657553. The next prime is 79657583. The reversal of 79657572 is 27575697.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3319054 + ... + 3319077.

Almost surely, 2^79657572 is an apocalyptic number.

It is an amenable number.

79657572 is an abundant number, since it is smaller than the sum of its proper divisors (106210124).

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

79657572 is a wasteful number, since it uses less digits than its factorization.

79657572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6638138 (or 6638136 counting only the distinct ones).

The product of its digits is 926100, while the sum is 48.

The square root of 79657572 is about 8925.1090749637. The cubic root of 79657572 is about 430.2712764517.

The spelling of 79657572 in words is "seventy-nine million, six hundred fifty-seven thousand, five hundred seventy-two".