79319738 has 16 divisors (see below), whose sum is σ = 121806720. Its totient is φ = 38721696.

The previous prime is 79319711. The next prime is 79319741. The reversal of 79319738 is 83791397.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a junction number, because it is equal to n+sod(n) for n = 79319692 and 79319701.

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, 52745 + ... + 54227.

It is an arithmetic number, because the mean of its divisors is an integer number (7612920).

Almost surely, 2^79319738 is an apocalyptic number.

79319738 is a deficient number, since it is larger than the sum of its proper divisors (42486982).

79319738 is a wasteful number, since it uses less digits than its factorization.

79319738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2101.

The product of its digits is 285768, while the sum is 47.

The square root of 79319738 is about 8906.1629223813. The cubic root of 79319738 is about 429.6621431199.

The spelling of 79319738 in words is "seventy-nine million, three hundred nineteen thousand, seven hundred thirty-eight".