79742495 has 32 divisors (see below), whose sum is σ = 120849408. Its totient is φ = 49218048.

The previous prime is 79742491. The next prime is 79742519. The reversal of 79742495 is 59424797.

It is a cyclic number.

It is not a de Polignac number, because 79742495 - 2² = 79742491 is a prime.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79742491) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10772 + ... + 16598.

It is an arithmetic number, because the mean of its divisors is an integer number (3776544).

Almost surely, 2^79742495 is an apocalyptic number.

79742495 is a deficient number, since it is larger than the sum of its proper divisors (41106913).

79742495 is a wasteful number, since it uses less digits than its factorization.

79742495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5879.

The product of its digits is 635040, while the sum is 47.

The square root of 79742495 is about 8929.8653405301. The cubic root of 79742495 is about 430.4241263286.

The spelling of 79742495 in words is "seventy-nine million, seven hundred forty-two thousand, four hundred ninety-five".