68910512 has 20 divisors (see below), whose sum is σ = 145652136. Its totient is φ = 31322880.

The previous prime is 68910493. The next prime is 68910557. The reversal of 68910512 is 21501986.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

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, 195593 + ... + 195944.

Almost surely, 2^68910512 is an apocalyptic number.

It is an amenable number.

68910512 is an abundant number, since it is smaller than the sum of its proper divisors (76741624).

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

68910512 is a wasteful number, since it uses less digits than its factorization.

68910512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391556 (or 391550 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 68910512 is about 8301.2355706846. The cubic root of 68910512 is about 409.9792018004.

The spelling of 68910512 in words is "sixty-eight million, nine hundred ten thousand, five hundred twelve".