79679970 has 32 divisors (see below), whose sum is σ = 212480640. Its totient is φ = 21247920.

The previous prime is 79679959. The next prime is 79679983. The reversal of 79679970 is 7997697.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147286 + ... + 147825.

It is an arithmetic number, because the mean of its divisors is an integer number (6640020).

Almost surely, 2^79679970 is an apocalyptic number.

79679970 is an abundant number, since it is smaller than the sum of its proper divisors (132800670).

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

79679970 is a wasteful number, since it uses less digits than its factorization.

79679970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295127 (or 295121 counting only the distinct ones).

The product of its (nonzero) digits is 1500282, while the sum is 54.

The square root of 79679970 is about 8926.3637613532. The cubic root of 79679970 is about 430.3116003560.

The spelling of 79679970 in words is "seventy-nine million, six hundred seventy-nine thousand, nine hundred seventy".