79706872 has 32 divisors (see below), whose sum is σ = 173214720. Its totient is φ = 33677280.

The previous prime is 79706867. The next prime is 79706927. The reversal of 79706872 is 27860797.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6048 + ... + 13999.

It is an arithmetic number, because the mean of its divisors is an integer number (5412960).

Almost surely, 2^79706872 is an apocalyptic number.

It is an amenable number.

79706872 is an abundant number, since it is smaller than the sum of its proper divisors (93507848).

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

79706872 is a wasteful number, since it uses less digits than its factorization.

79706872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20131 (or 20127 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 46.

The square root of 79706872 is about 8927.8705187743. The cubic root of 79706872 is about 430.3600229818.

The spelling of 79706872 in words is "seventy-nine million, seven hundred six thousand, eight hundred seventy-two".