68496864 has 24 divisors (see below), whose sum is σ = 179804520. Its totient is φ = 22832256.

The previous prime is 68496853. The next prime is 68496889. The reversal of 68496864 is 46869486.

It is a tau number, because it is divible by the number of its divisors (24).

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, 356659 + ... + 356850.

It is an arithmetic number, because the mean of its divisors is an integer number (7491855).

Almost surely, 2^68496864 is an apocalyptic number.

It is an amenable number.

68496864 is an abundant number, since it is smaller than the sum of its proper divisors (111307656).

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

68496864 is a wasteful number, since it uses less digits than its factorization.

68496864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713522 (or 713514 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 51.

The square root of 68496864 is about 8276.2832237666. The cubic root of 68496864 is about 409.1572297774.

The spelling of 68496864 in words is "sixty-eight million, four hundred ninety-six thousand, eight hundred sixty-four".