79497645 has 16 divisors (see below), whose sum is σ = 130634880. Its totient is φ = 41252544.

The previous prime is 79497629. The next prime is 79497697. The reversal of 79497645 is 54679497.

It is not a de Polignac number, because 79497645 - 2⁴ = 79497629 is a prime.

It is a super-3 number, since 3×79497645³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71065 + ... + 72174.

It is an arithmetic number, because the mean of its divisors is an integer number (8164680).

Almost surely, 2^79497645 is an apocalyptic number.

It is an amenable number.

79497645 is a deficient number, since it is larger than the sum of its proper divisors (51137235).

79497645 is a wasteful number, since it uses less digits than its factorization.

79497645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143284.

The product of its digits is 1905120, while the sum is 51.

The square root of 79497645 is about 8916.1451872432. The cubic root of 79497645 is about 429.9831343664.

The spelling of 79497645 in words is "seventy-nine million, four hundred ninety-seven thousand, six hundred forty-five".