68683900 has 36 divisors (see below), whose sum is σ = 152519752. Its totient is φ = 26832960.

The previous prime is 68683883. The next prime is 68683903. The reversal of 68683900 is 938686.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68683903) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3687 + ... + 12286.

Almost surely, 2^68683900 is an apocalyptic number.

It is an amenable number.

68683900 is an abundant number, since it is smaller than the sum of its proper divisors (83835852).

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

68683900 is a wasteful number, since it uses less digits than its factorization.

68683900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16030 (or 16023 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 68683900 is about 8287.5750373677. The cubic root of 68683900 is about 409.5293031747.

The spelling of 68683900 in words is "sixty-eight million, six hundred eighty-three thousand, nine hundred".