79722575 has 24 divisors (see below), whose sum is σ = 106302720. Its totient is φ = 59119200.

The previous prime is 79722553. The next prime is 79722589. The reversal of 79722575 is 57522797.

It is not a de Polignac number, because 79722575 - 2⁸ = 79722319 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20540 + ... + 24110.

It is an arithmetic number, because the mean of its divisors is an integer number (4429280).

Almost surely, 2^79722575 is an apocalyptic number.

79722575 is a deficient number, since it is larger than the sum of its proper divisors (26580145).

79722575 is a wasteful number, since it uses less digits than its factorization.

79722575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3647 (or 3642 counting only the distinct ones).

The product of its digits is 308700, while the sum is 44.

The square root of 79722575 is about 8928.7499125017. The cubic root of 79722575 is about 430.3882827772.

The spelling of 79722575 in words is "seventy-nine million, seven hundred twenty-two thousand, five hundred seventy-five".