79423744 has 27 divisors (see below), whose sum is σ = 158822377. Its totient is φ = 39640576.

The previous prime is 79423739. The next prime is 79423759. The reversal of 79423744 is 44732497.

The square root of 79423744 is 8912.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 6969600 + 72454144 = 2640^2 + 8512^2 .

It is a super-2 number, since 2×79423744² = 12616262221955072, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 79423697 and 79423706.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 142314 + ... + 142870.

Almost surely, 2^79423744 is an apocalyptic number.

79423744 is the 8912-nd square number.

It is an amenable number.

79423744 is a deficient number, since it is larger than the sum of its proper divisors (79398633).

79423744 is an frugal number, since it uses more digits than its factorization.

79423744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1130 (or 559 counting only the distinct ones).

The product of its digits is 169344, while the sum is 40.

The cubic root of 79423744 is about 429.8498556382.

The spelling of 79423744 in words is "seventy-nine million, four hundred twenty-three thousand, seven hundred forty-four".