68985912 has 32 divisors (see below), whose sum is σ = 178030080. Its totient is φ = 22253280.

The previous prime is 68985911. The next prime is 68985919. The reversal of 68985912 is 21958986.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68985911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45618 + ... + 47105.

It is an arithmetic number, because the mean of its divisors is an integer number (5563440).

Almost surely, 2^68985912 is an apocalyptic number.

68985912 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

68985912 is an abundant number, since it is smaller than the sum of its proper divisors (109044168).

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

68985912 is a wasteful number, since it uses less digits than its factorization.

68985912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92763 (or 92759 counting only the distinct ones).

The product of its digits is 311040, while the sum is 48.

The square root of 68985912 is about 8305.7758216798. The cubic root of 68985912 is about 410.1286766447.

The spelling of 68985912 in words is "sixty-eight million, nine hundred eighty-five thousand, nine hundred twelve".