79846972 has 6 divisors (see below), whose sum is σ = 139732208. Its totient is φ = 39923484.

The previous prime is 79846957. The next prime is 79846981. The reversal of 79846972 is 27964897.

It is a super-3 number, since 3×79846972³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 9980868 + ... + 9980875.

Almost surely, 2^79846972 is an apocalyptic number.

It is an amenable number.

79846972 is a deficient number, since it is larger than the sum of its proper divisors (59885236).

79846972 is a wasteful number, since it uses less digits than its factorization.

79846972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19961747 (or 19961745 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 52.

The square root of 79846972 is about 8935.7132899394. The cubic root of 79846972 is about 430.6120219476.

The spelling of 79846972 in words is "seventy-nine million, eight hundred forty-six thousand, nine hundred seventy-two".