68668896 has 24 divisors (see below), whose sum is σ = 180256104. Its totient is φ = 22889600.

The previous prime is 68668883. The next prime is 68668913. The reversal of 68668896 is 69886686.

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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 357555 + ... + 357746.

It is an arithmetic number, because the mean of its divisors is an integer number (7510671).

Almost surely, 2^68668896 is an apocalyptic number.

It is an amenable number.

68668896 is an abundant number, since it is smaller than the sum of its proper divisors (111587208).

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

68668896 is a wasteful number, since it uses less digits than its factorization.

68668896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715314 (or 715306 counting only the distinct ones).

The product of its digits is 5971968, while the sum is 57.

The square root of 68668896 is about 8286.6697774196. The cubic root of 68668896 is about 409.4994804402.

The spelling of 68668896 in words is "sixty-eight million, six hundred sixty-eight thousand, eight hundred ninety-six".