68631800 has 48 divisors (see below), whose sum is σ = 167976600. Its totient is φ = 26006400.

The previous prime is 68631779. The next prime is 68631811. The reversal of 68631800 is 813686.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5231 + ... + 12830.

Almost surely, 2^68631800 is an apocalyptic number.

It is an amenable number.

68631800 is an abundant number, since it is smaller than the sum of its proper divisors (99344800).

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

68631800 is a wasteful number, since it uses less digits than its factorization.

68631800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18096 (or 18087 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 68631800 is about 8284.4311814391. The cubic root of 68631800 is about 409.4257278396.

The spelling of 68631800 in words is "sixty-eight million, six hundred thirty-one thousand, eight hundred".