76972408 has 16 divisors (see below), whose sum is σ = 147680280. Its totient is φ = 37591008.

The previous prime is 76972393. The next prime is 76972459. The reversal of 76972408 is 80427967.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111535 + ... + 112222.

Almost surely, 2^76972408 is an apocalyptic number.

It is an amenable number.

76972408 is a deficient number, since it is larger than the sum of its proper divisors (70707872).

76972408 is a wasteful number, since it uses less digits than its factorization.

76972408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223806 (or 223802 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 76972408 is about 8773.3920464094. The cubic root of 76972408 is about 425.3812643274.

The spelling of 76972408 in words is "seventy-six million, nine hundred seventy-two thousand, four hundred eight".