68912808 has 16 divisors (see below), whose sum is σ = 172282080. Its totient is φ = 22970928.

The previous prime is 68912797. The next prime is 68912821. The reversal of 68912808 is 80821986.

It is a self number, because there is not a number n which added to its sum of digits gives 68912808.

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 3 ways as a sum of consecutive naturals, for example, 1435660 + ... + 1435707.

It is an arithmetic number, because the mean of its divisors is an integer number (10767630).

Almost surely, 2^68912808 is an apocalyptic number.

It is an amenable number.

68912808 is an abundant number, since it is smaller than the sum of its proper divisors (103369272).

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

68912808 is a wasteful number, since it uses less digits than its factorization.

68912808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2871376 (or 2871372 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 42.

The square root of 68912808 is about 8301.3738621990. The cubic root of 68912808 is about 409.9837550573.

The spelling of 68912808 in words is "sixty-eight million, nine hundred twelve thousand, eight hundred eight".