79320625 has 10 divisors (see below), whose sum is σ = 99119834. Its totient is φ = 63456000.

The previous prime is 79320617. The next prime is 79320641. The reversal of 79320625 is 52602397.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 13126129 + 66194496 = 3623^2 + 8136^2 .

It is not a de Polignac number, because 79320625 - 2³ = 79320617 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 62832 + ... + 64081.

Almost surely, 2^79320625 is an apocalyptic number.

It is an amenable number.

79320625 is a deficient number, since it is larger than the sum of its proper divisors (19799209).

79320625 is an equidigital number, since it uses as much as digits as its factorization.

79320625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126933 (or 126918 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 79320625 is about 8906.2127192202. The cubic root of 79320625 is about 429.6637446922.

The spelling of 79320625 in words is "seventy-nine million, three hundred twenty thousand, six hundred twenty-five".