68904804 has 24 divisors (see below), whose sum is σ = 165124288. Its totient is φ = 22347360.

The previous prime is 68904769. The next prime is 68904833. The reversal of 68904804 is 40840986.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77152 + ... + 78039.

Almost surely, 2^68904804 is an apocalyptic number.

It is an amenable number.

68904804 is an abundant number, since it is smaller than the sum of its proper divisors (96219484).

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

68904804 is a wasteful number, since it uses less digits than its factorization.

68904804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155235 (or 155233 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 68904804 is about 8300.8917593232. The cubic root of 68904804 is about 409.9678816799.

The spelling of 68904804 in words is "sixty-eight million, nine hundred four thousand, eight hundred four".