79407620 has 24 divisors (see below), whose sum is σ = 166961088. Its totient is φ = 31724000.

The previous prime is 79407619. The next prime is 79407641. The reversal of 79407620 is 2670497.

It is a super-2 number, since 2×79407620² = 12611140228128800, which contains 22 as substring.

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, 18695 + ... + 22545.

It is an arithmetic number, because the mean of its divisors is an integer number (6956712).

Almost surely, 2^79407620 is an apocalyptic number.

It is an amenable number.

79407620 is an abundant number, since it is smaller than the sum of its proper divisors (87553468).

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

79407620 is a wasteful number, since it uses less digits than its factorization.

79407620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4891 (or 4889 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 79407620 is about 8911.0953311027. The cubic root of 79407620 is about 429.8207653947.

The spelling of 79407620 in words is "seventy-nine million, four hundred seven thousand, six hundred twenty".