79769725 has 12 divisors (see below), whose sum is σ = 113045344. Its totient is φ = 54699120.

The previous prime is 79769719. The next prime is 79769759. The reversal of 79769725 is 52796797.

It is not a de Polignac number, because 79769725 - 2⁹ = 79769213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 227739 + ... + 228088.

Almost surely, 2^79769725 is an apocalyptic number.

It is an amenable number.

79769725 is a deficient number, since it is larger than the sum of its proper divisors (33275619).

79769725 is a wasteful number, since it uses less digits than its factorization.

79769725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455844 (or 455839 counting only the distinct ones).

The product of its digits is 1666980, while the sum is 52.

The square root of 79769725 is about 8931.3898694436. The cubic root of 79769725 is about 430.4731136560.

The spelling of 79769725 in words is "seventy-nine million, seven hundred sixty-nine thousand, seven hundred twenty-five".