68833968 has 80 divisors (see below), whose sum is σ = 204153600. Its totient is φ = 19577088.

The previous prime is 68833951. The next prime is 68833987. The reversal of 68833968 is 86933886.

It is a self number, because there is not a number n which added to its sum of digits gives 68833968.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116971 + ... + 117557.

It is an arithmetic number, because the mean of its divisors is an integer number (2551920).

Almost surely, 2^68833968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68833968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102076800).

68833968 is an abundant number, since it is smaller than the sum of its proper divisors (135319632).

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

68833968 is a wasteful number, since it uses less digits than its factorization.

68833968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 954 (or 948 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 51.

The square root of 68833968 is about 8296.6238916803. The cubic root of 68833968 is about 409.8273474920.

The spelling of 68833968 in words is "sixty-eight million, eight hundred thirty-three thousand, nine hundred sixty-eight".