79135620 has 24 divisors (see below), whose sum is σ = 221579904. Its totient is φ = 21102816.

The previous prime is 79135613. The next prime is 79135631. The reversal of 79135620 is 2653197.

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, 659404 + ... + 659523.

It is an arithmetic number, because the mean of its divisors is an integer number (9232496).

Almost surely, 2^79135620 is an apocalyptic number.

It is an amenable number.

79135620 is an abundant number, since it is smaller than the sum of its proper divisors (142444284).

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

79135620 is a wasteful number, since it uses less digits than its factorization.

79135620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1318939 (or 1318937 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 79135620 is about 8895.8203668914. The cubic root of 79135620 is about 429.3294397904.

The spelling of 79135620 in words is "seventy-nine million, one hundred thirty-five thousand, six hundred twenty".