79902025 has 24 divisors (see below), whose sum is σ = 114617664. Its totient is φ = 54120000.

The previous prime is 79902019. The next prime is 79902037. The reversal of 79902025 is 52020997.

It is not a de Polignac number, because 79902025 - 2¹³ = 79893833 is a prime.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11775 + ... + 17275.

It is an arithmetic number, because the mean of its divisors is an integer number (4775736).

Almost surely, 2^79902025 is an apocalyptic number.

It is an amenable number.

79902025 is a deficient number, since it is larger than the sum of its proper divisors (34715639).

79902025 is a wasteful number, since it uses less digits than its factorization.

79902025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5601 (or 5596 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 79902025 is about 8938.7932630753. The cubic root of 79902025 is about 430.7109655341.

The spelling of 79902025 in words is "seventy-nine million, nine hundred two thousand, twenty-five".