79970072 has 32 divisors (see below), whose sum is σ = 184548000. Its totient is φ = 31636224.

The previous prime is 79970063. The next prime is 79970119. The reversal of 79970072 is 27007997.

It is a happy number.

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, 54197 + ... + 55652.

It is an arithmetic number, because the mean of its divisors is an integer number (5767125).

Almost surely, 2^79970072 is an apocalyptic number.

It is an amenable number.

79970072 is an abundant number, since it is smaller than the sum of its proper divisors (104577928).

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

79970072 is a wasteful number, since it uses less digits than its factorization.

79970072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109875 (or 109871 counting only the distinct ones).

The product of its (nonzero) digits is 55566, while the sum is 41.

The square root of 79970072 is about 8942.5987274394. The cubic root of 79970072 is about 430.8331997035.

The spelling of 79970072 in words is "seventy-nine million, nine hundred seventy thousand, seventy-two".