68660412 has 24 divisors (see below), whose sum is σ = 165376512. Its totient is φ = 22148400.

The previous prime is 68660407. The next prime is 68660437. The reversal of 68660412 is 21406686.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91914 + ... + 92657.

It is an arithmetic number, because the mean of its divisors is an integer number (6890688).

Almost surely, 2^68660412 is an apocalyptic number.

68660412 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

68660412 is an abundant number, since it is smaller than the sum of its proper divisors (96716100).

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

68660412 is a wasteful number, since it uses less digits than its factorization.

68660412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184609 (or 184607 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 68660412 is about 8286.1578551220. The cubic root of 68660412 is about 409.4826152757.

The spelling of 68660412 in words is "sixty-eight million, six hundred sixty thousand, four hundred twelve".