68664862 has 16 divisors (see below), whose sum is σ = 118504800. Its totient is φ = 29229408.

The previous prime is 68664857. The next prime is 68664863. The reversal of 68664862 is 26846686.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68664863) 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, 14373 + ... + 18544.

It is an arithmetic number, because the mean of its divisors is an integer number (7406550).

Almost surely, 2^68664862 is an apocalyptic number.

68664862 is a deficient number, since it is larger than the sum of its proper divisors (49839938).

68664862 is a wasteful number, since it uses less digits than its factorization.

68664862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33075.

The product of its digits is 663552, while the sum is 46.

The square root of 68664862 is about 8286.4263708791. The cubic root of 68664862 is about 409.4914615100.

The spelling of 68664862 in words is "sixty-eight million, six hundred sixty-four thousand, eight hundred sixty-two".