68975816 has 32 divisors (see below), whose sum is σ = 159176640. Its totient is φ = 27286848.

The previous prime is 68975773. The next prime is 68975821. The reversal of 68975816 is 61857986.

It is a happy number.

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, 46646 + ... + 48101.

It is an arithmetic number, because the mean of its divisors is an integer number (4974270).

Almost surely, 2^68975816 is an apocalyptic number.

It is an amenable number.

68975816 is an abundant number, since it is smaller than the sum of its proper divisors (90200824).

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

68975816 is a wasteful number, since it uses less digits than its factorization.

68975816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94773 (or 94769 counting only the distinct ones).

The product of its digits is 725760, while the sum is 50.

The square root of 68975816 is about 8305.1680296066. The cubic root of 68975816 is about 410.1086683995.

The spelling of 68975816 in words is "sixty-eight million, nine hundred seventy-five thousand, eight hundred sixteen".