79389472 has 24 divisors (see below), whose sum is σ = 161689500. Its totient is φ = 38325504.

The previous prime is 79389469. The next prime is 79389503. The reversal of 79389472 is 27498397.

It can be written as a sum of positive squares in 2 ways, for example, as 71301136 + 8088336 = 8444^2 + 2844^2 .

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, 41847 + ... + 43702.

Almost surely, 2^79389472 is an apocalyptic number.

It is an amenable number.

79389472 is an abundant number, since it is smaller than the sum of its proper divisors (82300028).

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

79389472 is a wasteful number, since it uses less digits than its factorization.

79389472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85588 (or 85580 counting only the distinct ones).

The product of its digits is 762048, while the sum is 49.

The square root of 79389472 is about 8910.0769918110. The cubic root of 79389472 is about 429.7880188247.

The spelling of 79389472 in words is "seventy-nine million, three hundred eighty-nine thousand, four hundred seventy-two".