79031020 has 12 divisors (see below), whose sum is σ = 165965184. Its totient is φ = 31612400.

The previous prime is 79030999. The next prime is 79031027. The reversal of 79031020 is 2013097.

It is a junction number, because it is equal to n+sod(n) for n = 79030982 and 79031000.

It is not an unprimeable number, because it can be changed into a prime (79031027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1975756 + ... + 1975795.

It is an arithmetic number, because the mean of its divisors is an integer number (13830432).

Almost surely, 2^79031020 is an apocalyptic number.

It is an amenable number.

79031020 is an abundant number, since it is smaller than the sum of its proper divisors (86934164).

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

79031020 is a wasteful number, since it uses less digits than its factorization.

79031020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3951560 (or 3951558 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 79031020 is about 8889.9392573853. The cubic root of 79031020 is about 429.1401964801.

The spelling of 79031020 in words is "seventy-nine million, thirty-one thousand, twenty".