68556968 has 16 divisors (see below), whose sum is σ = 128724660. Its totient is φ = 34230400.

The previous prime is 68556949. The next prime is 68556979. The reversal of 68556968 is 86965586.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 68525284 + 31684 = 8278^2 + 178^2 .

It is a super-2 number, since 2×68556968² = 9400115722706048, which contains 22 as substring.

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, 458 + ... + 11718.

Almost surely, 2^68556968 is an apocalyptic number.

It is an amenable number.

68556968 is a deficient number, since it is larger than the sum of its proper divisors (60167692).

68556968 is a wasteful number, since it uses less digits than its factorization.

68556968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12028 (or 12024 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 53.

The square root of 68556968 is about 8279.9135261185. The cubic root of 68556968 is about 409.2768693020.

The spelling of 68556968 in words is "sixty-eight million, five hundred fifty-six thousand, nine hundred sixty-eight".