68917512 has 16 divisors (see below), whose sum is σ = 172293840. Its totient is φ = 22972496.

The previous prime is 68917501. The next prime is 68917517. The reversal of 68917512 is 21571986.

It is not an unprimeable number, because it can be changed into a prime (68917517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1435758 + ... + 1435805.

It is an arithmetic number, because the mean of its divisors is an integer number (10768365).

Almost surely, 2^68917512 is an apocalyptic number.

It is an amenable number.

68917512 is an abundant number, since it is smaller than the sum of its proper divisors (103376328).

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

68917512 is a wasteful number, since it uses less digits than its factorization.

68917512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2871572 (or 2871568 counting only the distinct ones).

The product of its digits is 30240, while the sum is 39.

The square root of 68917512 is about 8301.6571839603. The cubic root of 68917512 is about 409.9930833654.

The spelling of 68917512 in words is "sixty-eight million, nine hundred seventeen thousand, five hundred twelve".