68558812 has 12 divisors (see below), whose sum is σ = 137117680. Its totient is φ = 29382336.

The previous prime is 68558801. The next prime is 68558849. The reversal of 68558812 is 21885586.

68558812 is an admirable number.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1224237 + ... + 1224292.

Almost surely, 2^68558812 is an apocalyptic number.

It is an amenable number.

68558812 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

68558812 is a wasteful number, since it uses less digits than its factorization.

68558812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2448540 (or 2448538 counting only the distinct ones).

The product of its digits is 153600, while the sum is 43.

The square root of 68558812 is about 8280.0248791897. The cubic root of 68558812 is about 409.2805387553.

The spelling of 68558812 in words is "sixty-eight million, five hundred fifty-eight thousand, eight hundred twelve".