68040968 has 16 divisors (see below), whose sum is σ = 127759680. Its totient is φ = 33971728.

The previous prime is 68040949. The next prime is 68040997. The reversal of 68040968 is 86904086.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221 + ... + 11667.

It is an arithmetic number, because the mean of its divisors is an integer number (7984980).

Almost surely, 2^68040968 is an apocalyptic number.

It is an amenable number.

68040968 is a deficient number, since it is larger than the sum of its proper divisors (59718712).

68040968 is a wasteful number, since it uses less digits than its factorization.

68040968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12196 (or 12192 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 68040968 is about 8248.6949270779. The cubic root of 68040968 is about 408.2474629742.

The spelling of 68040968 in words is "sixty-eight million, forty thousand, nine hundred sixty-eight".