68899722 has 16 divisors (see below), whose sum is σ = 137885952. Its totient is φ = 22952160.

The previous prime is 68899709. The next prime is 68899739. The reversal of 68899722 is 22799886.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11847 + ... + 16677.

It is an arithmetic number, because the mean of its divisors is an integer number (8617872).

Almost surely, 2^68899722 is an apocalyptic number.

68899722 is an abundant number, since it is smaller than the sum of its proper divisors (68986230).

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

68899722 is a wasteful number, since it uses less digits than its factorization.

68899722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7213.

The product of its digits is 870912, while the sum is 51.

The square root of 68899722 is about 8300.5856419894. The cubic root of 68899722 is about 409.9578025182.

The spelling of 68899722 in words is "sixty-eight million, eight hundred ninety-nine thousand, seven hundred twenty-two".