68986256 has 20 divisors (see below), whose sum is σ = 134626800. Its totient is φ = 34243872.

The previous prime is 68986249. The next prime is 68986279. The reversal of 68986256 is 65268986.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13286 + ... + 17733.

It is an arithmetic number, because the mean of its divisors is an integer number (6731340).

Almost surely, 2^68986256 is an apocalyptic number.

It is an amenable number.

68986256 is a deficient number, since it is larger than the sum of its proper divisors (65640544).

68986256 is a wasteful number, since it uses less digits than its factorization.

68986256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31166 (or 31160 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 50.

The square root of 68986256 is about 8305.7965301348. The cubic root of 68986256 is about 410.1293583493.

The spelling of 68986256 in words is "sixty-eight million, nine hundred eighty-six thousand, two hundred fifty-six".