68259668 has 12 divisors (see below), whose sum is σ = 119528640. Its totient is φ = 34108632.

The previous prime is 68259643. The next prime is 68259679. The reversal of 68259668 is 86695286.

It is a congruent number.

It is an unprimeable number.

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, 3605 + ... + 12227.

It is an arithmetic number, because the mean of its divisors is an integer number (9960720).

Almost surely, 2^68259668 is an apocalyptic number.

It is an amenable number.

68259668 is a deficient number, since it is larger than the sum of its proper divisors (51268972).

68259668 is a wasteful number, since it uses less digits than its factorization.

68259668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10606 (or 10604 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 50.

The square root of 68259668 is about 8261.9409341873. The cubic root of 68259668 is about 408.6843969444.

The spelling of 68259668 in words is "sixty-eight million, two hundred fifty-nine thousand, six hundred sixty-eight".