68623972 has 24 divisors (see below), whose sum is σ = 126996800. Its totient is φ = 32355936.

The previous prime is 68623969. The next prime is 68623981. The reversal of 68623972 is 27932686.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15433 + ... + 19375.

Almost surely, 2^68623972 is an apocalyptic number.

It is an amenable number.

68623972 is a deficient number, since it is larger than the sum of its proper divisors (58372828).

68623972 is a wasteful number, since it uses less digits than its factorization.

68623972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4195 (or 4193 counting only the distinct ones).

The product of its digits is 217728, while the sum is 43.

The square root of 68623972 is about 8283.9587154935. The cubic root of 68623972 is about 409.4101611662.

The spelling of 68623972 in words is "sixty-eight million, six hundred twenty-three thousand, nine hundred seventy-two".