79478720 has 28 divisors (see below), whose sum is σ = 189259464. Its totient is φ = 31791360.

The previous prime is 79478713. The next prime is 79478743. The reversal of 79478720 is 2787497.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123866 + ... + 124505.

Almost surely, 2^79478720 is an apocalyptic number.

It is an amenable number.

79478720 is an abundant number, since it is smaller than the sum of its proper divisors (109780744).

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

79478720 is a wasteful number, since it uses less digits than its factorization.

79478720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248388 (or 248378 counting only the distinct ones).

The product of its (nonzero) digits is 197568, while the sum is 44.

The square root of 79478720 is about 8915.0838470538. The cubic root of 79478720 is about 429.9490114410.

The spelling of 79478720 in words is "seventy-nine million, four hundred seventy-eight thousand, seven hundred twenty".