79312680 has 192 divisors, whose sum is σ = 272937600. Its totient is φ = 19944960.

The previous prime is 79312679. The next prime is 79312687. The reversal of 79312680 is 8621397.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (79312687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 741187 + ... + 741293.

It is an arithmetic number, because the mean of its divisors is an integer number (1421550).

Almost surely, 2^79312680 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79312680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136468800).

79312680 is an abundant number, since it is smaller than the sum of its proper divisors (193624920).

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

79312680 is a wasteful number, since it uses less digits than its factorization.

79312680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224 (or 217 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 79312680 is about 8905.7666710958. The cubic root of 79312680 is about 429.6493987285.

The spelling of 79312680 in words is "seventy-nine million, three hundred twelve thousand, six hundred eighty".