68831976 has 32 divisors (see below), whose sum is σ = 173859840. Its totient is φ = 22706688.

The previous prime is 68831957. The next prime is 68831999. The reversal of 68831976 is 67913886.

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 7 ways as a sum of consecutive naturals, for example, 12456 + ... + 17111.

It is an arithmetic number, because the mean of its divisors is an integer number (5433120).

Almost surely, 2^68831976 is an apocalyptic number.

It is an amenable number.

68831976 is an abundant number, since it is smaller than the sum of its proper divisors (105027864).

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

68831976 is a wasteful number, since it uses less digits than its factorization.

68831976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29673 (or 29669 counting only the distinct ones).

The product of its digits is 435456, while the sum is 48.

The square root of 68831976 is about 8296.5038419807. The cubic root of 68831976 is about 409.8233940953.

The spelling of 68831976 in words is "sixty-eight million, eight hundred thirty-one thousand, nine hundred seventy-six".