79257252 has 12 divisors (see below), whose sum is σ = 184933616. Its totient is φ = 26419080.

The previous prime is 79257251. The next prime is 79257253. The reversal of 79257252 is 25275297.

It is an interprime number because it is at equal distance from previous prime (79257251) and next prime (79257253).

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 79257252.

It is not an unprimeable number, because it can be changed into a prime (79257251) 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, 3302374 + ... + 3302397.

Almost surely, 2^79257252 is an apocalyptic number.

It is an amenable number.

79257252 is an abundant number, since it is smaller than the sum of its proper divisors (105676364).

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

79257252 is a wasteful number, since it uses less digits than its factorization.

79257252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6604778 (or 6604776 counting only the distinct ones).

The product of its digits is 88200, while the sum is 39.

The square root of 79257252 is about 8902.6542109643. The cubic root of 79257252 is about 429.5492879741.

The spelling of 79257252 in words is "seventy-nine million, two hundred fifty-seven thousand, two hundred fifty-two".