68831944 has 32 divisors (see below), whose sum is σ = 131803200. Its totient is φ = 33691840.

The previous prime is 68831941. The next prime is 68831953. The reversal of 68831944 is 44913886.

It is a self number, because there is not a number n which added to its sum of digits gives 68831944.

It is not an unprimeable number, because it can be changed into a prime (68831941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101334 + ... + 102010.

It is an arithmetic number, because the mean of its divisors is an integer number (4118850).

Almost surely, 2^68831944 is an apocalyptic number.

It is an amenable number.

68831944 is a deficient number, since it is larger than the sum of its proper divisors (62971256).

68831944 is a wasteful number, since it uses less digits than its factorization.

68831944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 933 (or 929 counting only the distinct ones).

The product of its digits is 165888, while the sum is 43.

The square root of 68831944 is about 8296.5019134573. The cubic root of 68831944 is about 409.8233305863.

The spelling of 68831944 in words is "sixty-eight million, eight hundred thirty-one thousand, nine hundred forty-four".