68375656 has 16 divisors (see below), whose sum is σ = 128579040. Its totient is φ = 34087920.

The previous prime is 68375651. The next prime is 68375689. The reversal of 68375656 is 65657386.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (68375651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9540 + ... + 15091.

It is an arithmetic number, because the mean of its divisors is an integer number (8036190).

Almost surely, 2^68375656 is an apocalyptic number.

It is an amenable number.

68375656 is a deficient number, since it is larger than the sum of its proper divisors (60203384).

68375656 is a wasteful number, since it uses less digits than its factorization.

68375656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24984 (or 24980 counting only the distinct ones).

The product of its digits is 907200, while the sum is 46.

The square root of 68375656 is about 8268.9573707935. The cubic root of 68375656 is about 408.9157471374.

The spelling of 68375656 in words is "sixty-eight million, three hundred seventy-five thousand, six hundred fifty-six".