79668924 has 12 divisors (see below), whose sum is σ = 185894184. Its totient is φ = 26556304.

The previous prime is 79668907. The next prime is 79668929. The reversal of 79668924 is 42986697.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79668929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3319527 + ... + 3319550.

It is an arithmetic number, because the mean of its divisors is an integer number (15491182).

Almost surely, 2^79668924 is an apocalyptic number.

It is an amenable number.

79668924 is an abundant number, since it is smaller than the sum of its proper divisors (106225260).

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

79668924 is a wasteful number, since it uses less digits than its factorization.

79668924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6639084 (or 6639082 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 51.

The square root of 79668924 is about 8925.7450109221. The cubic root of 79668924 is about 430.2917147997.

The spelling of 79668924 in words is "seventy-nine million, six hundred sixty-eight thousand, nine hundred twenty-four".