79452972 has 36 divisors (see below), whose sum is σ = 201113640. Its totient is φ = 26448192.

The previous prime is 79452943. The next prime is 79452973. The reversal of 79452972 is 27925497.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (79452973) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44448 + ... + 46200.

It is an arithmetic number, because the mean of its divisors is an integer number (5586490).

Almost surely, 2^79452972 is an apocalyptic number.

It is an amenable number.

79452972 is an abundant number, since it is smaller than the sum of its proper divisors (121660668).

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

79452972 is a wasteful number, since it uses less digits than its factorization.

79452972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3022 (or 3017 counting only the distinct ones).

The product of its digits is 317520, while the sum is 45.

The square root of 79452972 is about 8913.6396606549. The cubic root of 79452972 is about 429.9025775326.

The spelling of 79452972 in words is "seventy-nine million, four hundred fifty-two thousand, nine hundred seventy-two".