68805568 has 28 divisors (see below), whose sum is σ = 147040600. Its totient is φ = 31756032.

The previous prime is 68805559. The next prime is 68805571. The reversal of 68805568 is 86550886.

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, 40518 + ... + 42181.

It is an arithmetic number, because the mean of its divisors is an integer number (5251450).

Almost surely, 2^68805568 is an apocalyptic number.

It is an amenable number.

68805568 is an abundant number, since it is smaller than the sum of its proper divisors (78235032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68805568 is a wasteful number, since it uses less digits than its factorization.

68805568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82724 (or 82714 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 46.

The square root of 68805568 is about 8294.9121755447. The cubic root of 68805568 is about 409.7709765941.

The spelling of 68805568 in words is "sixty-eight million, eight hundred five thousand, five hundred sixty-eight".