79615025 has 12 divisors (see below), whose sum is σ = 112826112. Its totient is φ = 54593040.

The previous prime is 79615001. The next prime is 79615027. The reversal of 79615025 is 52051697.

It is not a de Polignac number, because 79615025 - 2¹⁸ = 79352881 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is not an unprimeable number, because it can be changed into a prime (79615027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 227297 + ... + 227646.

It is an arithmetic number, because the mean of its divisors is an integer number (9402176).

Almost surely, 2^79615025 is an apocalyptic number.

It is an amenable number.

79615025 is a deficient number, since it is larger than the sum of its proper divisors (33211087).

79615025 is a wasteful number, since it uses less digits than its factorization.

79615025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454960 (or 454955 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 35.

The square root of 79615025 is about 8922.7252002962. The cubic root of 79615025 is about 430.1946567747.

The spelling of 79615025 in words is "seventy-nine million, six hundred fifteen thousand, twenty-five".