79570128 has 80 divisors (see below), whose sum is σ = 230360256. Its totient is φ = 23454720.

The previous prime is 79570121. The next prime is 79570129. The reversal of 79570128 is 82107597.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79570121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17500 + ... + 21572.

Almost surely, 2^79570128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79570128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115180128).

79570128 is an abundant number, since it is smaller than the sum of its proper divisors (150790128).

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

79570128 is a wasteful number, since it uses less digits than its factorization.

79570128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4132 (or 4126 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 39.

The square root of 79570128 is about 8920.2089661622. The cubic root of 79570128 is about 430.1137755537.

The spelling of 79570128 in words is "seventy-nine million, five hundred seventy thousand, one hundred twenty-eight".