79922730 has 32 divisors (see below), whose sum is σ = 192383424. Its totient is φ = 21249536.

The previous prime is 79922719. The next prime is 79922737. The reversal of 79922730 is 3722997.

It is not an unprimeable number, because it can be changed into a prime (79922737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6817 + ... + 14363.

It is an arithmetic number, because the mean of its divisors is an integer number (6011982).

Almost surely, 2^79922730 is an apocalyptic number.

79922730 is an abundant number, since it is smaller than the sum of its proper divisors (112460694).

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

79922730 is a wasteful number, since it uses less digits than its factorization.

79922730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7910.

The product of its (nonzero) digits is 47628, while the sum is 39.

The square root of 79922730 is about 8939.9513421495. The cubic root of 79922730 is about 430.7481656775.

The spelling of 79922730 in words is "seventy-nine million, nine hundred twenty-two thousand, seven hundred thirty".