68317868 has 12 divisors (see below), whose sum is σ = 119644560. Its totient is φ = 34133712.

The previous prime is 68317867. The next prime is 68317877. The reversal of 68317868 is 86871386.

It is not an unprimeable number, because it can be changed into a prime (68317861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 638 + ... + 11706.

It is an arithmetic number, because the mean of its divisors is an integer number (9970380).

Almost surely, 2^68317868 is an apocalyptic number.

It is an amenable number.

68317868 is a deficient number, since it is larger than the sum of its proper divisors (51326692).

68317868 is a wasteful number, since it uses less digits than its factorization.

68317868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12616 (or 12614 counting only the distinct ones).

The product of its digits is 387072, while the sum is 47.

The square root of 68317868 is about 8265.4623585133. The cubic root of 68317868 is about 408.8005156607.

The spelling of 68317868 in words is "sixty-eight million, three hundred seventeen thousand, eight hundred sixty-eight".