79683972 has 12 divisors (see below), whose sum is σ = 185929296. Its totient is φ = 26561320.

The previous prime is 79683949. The next prime is 79683979. The reversal of 79683972 is 27938697.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (79683979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3320154 + ... + 3320177.

It is an arithmetic number, because the mean of its divisors is an integer number (15494108).

Almost surely, 2^79683972 is an apocalyptic number.

It is an amenable number.

79683972 is an abundant number, since it is smaller than the sum of its proper divisors (106245324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

79683972 is a wasteful number, since it uses less digits than its factorization.

79683972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6640338 (or 6640336 counting only the distinct ones).

The product of its digits is 1143072, while the sum is 51.

The square root of 79683972 is about 8926.5879259659. The cubic root of 79683972 is about 430.3188045011.

The spelling of 79683972 in words is "seventy-nine million, six hundred eighty-three thousand, nine hundred seventy-two".