79944723 has 24 divisors (see below), whose sum is σ = 123860880. Its totient is φ = 49533120.

The previous prime is 79944721. The next prime is 79944731. The reversal of 79944723 is 32744997.

It is not a de Polignac number, because 79944723 - 2¹ = 79944721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79944721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4653 + ... + 13473.

It is an arithmetic number, because the mean of its divisors is an integer number (5160870).

Almost surely, 2^79944723 is an apocalyptic number.

79944723 is a deficient number, since it is larger than the sum of its proper divisors (43916157).

79944723 is a wasteful number, since it uses less digits than its factorization.

79944723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8899 (or 8896 counting only the distinct ones).

The product of its digits is 381024, while the sum is 45.

The square root of 79944723 is about 8941.1812977928. The cubic root of 79944723 is about 430.7876729014.

The spelling of 79944723 in words is "seventy-nine million, nine hundred forty-four thousand, seven hundred twenty-three".