79572097 has 4 divisors (see below), whose sum is σ = 86805936. Its totient is φ = 72338260.

The previous prime is 79572091. The next prime is 79572113. The reversal of 79572097 is 79027597.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79572097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79572091) 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, 3616903 + ... + 3616924.

It is an arithmetic number, because the mean of its divisors is an integer number (21701484).

Almost surely, 2^79572097 is an apocalyptic number.

It is an amenable number.

79572097 is a deficient number, since it is larger than the sum of its proper divisors (7233839).

79572097 is a wasteful number, since it uses less digits than its factorization.

79572097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7233838.

The product of its (nonzero) digits is 277830, while the sum is 46.

The square root of 79572097 is about 8920.3193328490. The cubic root of 79572097 is about 430.1173233132.

The spelling of 79572097 in words is "seventy-nine million, five hundred seventy-two thousand, ninety-seven".