68904828 has 18 divisors (see below), whose sum is σ = 174176184. Its totient is φ = 22968264.

The previous prime is 68904769. The next prime is 68904833. The reversal of 68904828 is 82840986.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 956976 + ... + 957047.

Almost surely, 2^68904828 is an apocalyptic number.

It is an amenable number.

68904828 is an abundant number, since it is smaller than the sum of its proper divisors (105271356).

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

68904828 is a wasteful number, since it uses less digits than its factorization.

68904828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1914033 (or 1914028 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The square root of 68904828 is about 8300.8932049509. The cubic root of 68904828 is about 409.9679292781.

The spelling of 68904828 in words is "sixty-eight million, nine hundred four thousand, eight hundred twenty-eight".