79280425 has 24 divisors (see below), whose sum is σ = 117242496. Its totient is φ = 51997440.

The previous prime is 79280417. The next prime is 79280449. The reversal of 79280425 is 52408297.

It is not a de Polignac number, because 79280425 - 2³ = 79280417 is a prime.

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, 5824 + ... + 13873.

It is an arithmetic number, because the mean of its divisors is an integer number (4885104).

Almost surely, 2^79280425 is an apocalyptic number.

It is an amenable number.

79280425 is a deficient number, since it is larger than the sum of its proper divisors (37962071).

79280425 is a wasteful number, since it uses less digits than its factorization.

79280425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19737 (or 19732 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 79280425 is about 8903.9555816502. The cubic root of 79280425 is about 429.5911473433.

The spelling of 79280425 in words is "seventy-nine million, two hundred eighty thousand, four hundred twenty-five".