79479520 has 24 divisors (see below), whose sum is σ = 187770744. Its totient is φ = 31791744.

The previous prime is 79479509. The next prime is 79479529. The reversal of 79479520 is 2597497.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79479529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248214 + ... + 248533.

It is an arithmetic number, because the mean of its divisors is an integer number (7823781).

Almost surely, 2^79479520 is an apocalyptic number.

It is an amenable number.

79479520 is an abundant number, since it is smaller than the sum of its proper divisors (108291224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

79479520 is a wasteful number, since it uses less digits than its factorization.

79479520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496762 (or 496754 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 43.

The square root of 79479520 is about 8915.1287147186. The cubic root of 79479520 is about 429.9504539993.

The spelling of 79479520 in words is "seventy-nine million, four hundred seventy-nine thousand, five hundred twenty".