68992896 has 64 divisors (see below), whose sum is σ = 209450880. Its totient is φ = 19711488.

The previous prime is 68992883. The next prime is 68992897. The reversal of 68992896 is 69829986.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68992897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10146 + ... + 15521.

It is an arithmetic number, because the mean of its divisors is an integer number (3272670).

Almost surely, 2^68992896 is an apocalyptic number.

It is an amenable number.

68992896 is an abundant number, since it is smaller than the sum of its proper divisors (140457984).

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

68992896 is a wasteful number, since it uses less digits than its factorization.

68992896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25691 (or 25679 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 57.

The square root of 68992896 is about 8306.1962413610. The cubic root of 68992896 is about 410.1425163884.

The spelling of 68992896 in words is "sixty-eight million, nine hundred ninety-two thousand, eight hundred ninety-six".