68648986 has 16 divisors (see below), whose sum is σ = 120865536. Its totient is φ = 28625616.

The previous prime is 68648947. The next prime is 68649001. The reversal of 68648986 is 68984686.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65746 + ... + 66781.

It is an arithmetic number, because the mean of its divisors is an integer number (7554096).

Almost surely, 2^68648986 is an apocalyptic number.

68648986 is a deficient number, since it is larger than the sum of its proper divisors (52216550).

68648986 is a wasteful number, since it uses less digits than its factorization.

68648986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132573.

The product of its digits is 3981312, while the sum is 55.

The square root of 68648986 is about 8285.4683633456. The cubic root of 68648986 is about 409.4598995759.

The spelling of 68648986 in words is "sixty-eight million, six hundred forty-eight thousand, nine hundred eighty-six".