79320717 has 24 divisors (see below), whose sum is σ = 132154880. Its totient is φ = 44906400.

The previous prime is 79320707. The next prime is 79320719. The reversal of 79320717 is 71702397.

It is not a de Polignac number, because 79320717 - 2¹⁴ = 79304333 is a prime.

It is a super-2 number, since 2×79320717² = 12583552290788178, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79320719) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1092 + ... + 12642.

Almost surely, 2^79320717 is an apocalyptic number.

It is an amenable number.

79320717 is a deficient number, since it is larger than the sum of its proper divisors (52834163).

79320717 is a wasteful number, since it uses less digits than its factorization.

79320717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11673 (or 11670 counting only the distinct ones).

The product of its (nonzero) digits is 18522, while the sum is 36.

The square root of 79320717 is about 8906.2178841526. The cubic root of 79320717 is about 429.6639108073.

The spelling of 79320717 in words is "seventy-nine million, three hundred twenty thousand, seven hundred seventeen".