79452747 has 36 divisors (see below), whose sum is σ = 133043976. Its totient is φ = 45304320.

The previous prime is 79452733. The next prime is 79452773. The reversal of 79452747 is 74725497.

It is not a de Polignac number, because 79452747 - 2⁴ = 79452731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79452047) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 27223 + ... + 29999.

It is an arithmetic number, because the mean of its divisors is an integer number (3695666).

Almost surely, 2^79452747 is an apocalyptic number.

79452747 is a deficient number, since it is larger than the sum of its proper divisors (53591229).

79452747 is a wasteful number, since it uses less digits than its factorization.

79452747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2828 (or 2808 counting only the distinct ones).

The product of its digits is 493920, while the sum is 45.

The square root of 79452747 is about 8913.6270395390. The cubic root of 79452747 is about 429.9021717237.

The spelling of 79452747 in words is "seventy-nine million, four hundred fifty-two thousand, seven hundred forty-seven".