79328940 has 24 divisors (see below), whose sum is σ = 222121200. Its totient is φ = 21154368.

The previous prime is 79328929. The next prime is 79328959. The reversal of 79328940 is 4982397.

It is a junction number, because it is equal to n+sod(n) for n = 79328892 and 79328901.

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, 661015 + ... + 661134.

It is an arithmetic number, because the mean of its divisors is an integer number (9255050).

Almost surely, 2^79328940 is an apocalyptic number.

It is an amenable number.

79328940 is an abundant number, since it is smaller than the sum of its proper divisors (142792260).

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

79328940 is a wasteful number, since it uses less digits than its factorization.

79328940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1322161 (or 1322159 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 79328940 is about 8906.6795159588. The cubic root of 79328940 is about 429.6787577241.

The spelling of 79328940 in words is "seventy-nine million, three hundred twenty-eight thousand, nine hundred forty".