79303872 has 56 divisors (see below), whose sum is σ = 220878400. Its totient is φ = 25042176.

The previous prime is 79303867. The next prime is 79303877. The reversal of 79303872 is 27830397.

It is an interprime number because it is at equal distance from previous prime (79303867) and next prime (79303877).

It is a super-2 number, since 2×79303872² = 12578208228384768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 79303872.

It is not an unprimeable number, because it can be changed into a prime (79303877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7222 + ... + 14517.

Almost surely, 2^79303872 is an apocalyptic number.

It is an amenable number.

79303872 is an abundant number, since it is smaller than the sum of its proper divisors (141574528).

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

79303872 is a wasteful number, since it uses less digits than its factorization.

79303872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21773 (or 21763 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 39.

The square root of 79303872 is about 8905.2721463187. The cubic root of 79303872 is about 429.6334933608.

The spelling of 79303872 in words is "seventy-nine million, three hundred three thousand, eight hundred seventy-two".