68668068 has 48 divisors (see below), whose sum is σ = 183532160. Its totient is φ = 19574784.

The previous prime is 68668057. The next prime is 68668091. The reversal of 68668068 is 86086686.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58980 + ... + 60132.

Almost surely, 2^68668068 is an apocalyptic number.

It is an amenable number.

68668068 is an abundant number, since it is smaller than the sum of its proper divisors (114864092).

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

68668068 is a wasteful number, since it uses less digits than its factorization.

68668068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1876 (or 1874 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 48.

The square root of 68668068 is about 8286.6198175130. The cubic root of 68668068 is about 409.4978345377.

The spelling of 68668068 in words is "sixty-eight million, six hundred sixty-eight thousand, sixty-eight".