79724 has 12 divisors (see below), whose sum is σ = 147000. Its totient is φ = 37728.

The previous prime is 79699. The next prime is 79757. The reversal of 79724 is 42797.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 449 + ... + 600.

It is an arithmetic number, because the mean of its divisors is an integer number (12250).

2⁷⁹⁷²⁴ is an apocalyptic number.

It is an amenable number.

79724 is a deficient number, since it is larger than the sum of its proper divisors (67276).

79724 is a wasteful number, since it uses less digits than its factorization.

79724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072 (or 1070 counting only the distinct ones).

The product of its digits is 3528, while the sum is 29.

The square root of 79724 is about 282.3543872512. The cubic root of 79724 is about 43.0390847085.

The spelling of 79724 in words is "seventy-nine thousand, seven hundred twenty-four".