68868064 has 12 divisors (see below), whose sum is σ = 135584064. Its totient is φ = 34434016.

The previous prime is 68868061. The next prime is 68868067. The reversal of 68868064 is 46086886.

It is an interprime number because it is at equal distance from previous prime (68868061) and next prime (68868067).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68868061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1076032 + ... + 1076095.

It is an arithmetic number, because the mean of its divisors is an integer number (11298672).

Almost surely, 2^68868064 is an apocalyptic number.

It is an amenable number.

68868064 is a deficient number, since it is larger than the sum of its proper divisors (66716000).

68868064 is a wasteful number, since it uses less digits than its factorization.

68868064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2152137 (or 2152129 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 46.

The square root of 68868064 is about 8298.6784490062. The cubic root of 68868064 is about 409.8950038497.

The spelling of 68868064 in words is "sixty-eight million, eight hundred sixty-eight thousand, sixty-four".