68012680 has 32 divisors (see below), whose sum is σ = 154972800. Its totient is φ = 26859456.

The previous prime is 68012653. The next prime is 68012683. The reversal of 68012680 is 8621086.

It is not an unprimeable number, because it can be changed into a prime (68012683) 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, 7602 + ... + 13921.

It is an arithmetic number, because the mean of its divisors is an integer number (4842900).

Almost surely, 2^68012680 is an apocalyptic number.

It is an amenable number.

68012680 is an abundant number, since it is smaller than the sum of its proper divisors (86960120).

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

68012680 is a wasteful number, since it uses less digits than its factorization.

68012680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21613 (or 21609 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 68012680 is about 8246.9800533286. The cubic root of 68012680 is about 408.1908789026.

The spelling of 68012680 in words is "sixty-eight million, twelve thousand, six hundred eighty".