68107968 has 168 divisors, whose sum is σ = 209690208. Its totient is φ = 21086208.

The previous prime is 68107943. The next prime is 68107969. The reversal of 68107968 is 86970186.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (68107969) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 702096 + ... + 702192.

It is an arithmetic number, because the mean of its divisors is an integer number (1248156).

Almost surely, 2^68107968 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 68107968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104845104).

68107968 is an abundant number, since it is smaller than the sum of its proper divisors (141582240).

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

68107968 is a wasteful number, since it uses less digits than its factorization.

68107968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191 (or 178 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 68107968 is about 8252.7551763032. The cubic root of 68107968 is about 408.3814195580.

The spelling of 68107968 in words is "sixty-eight million, one hundred seven thousand, nine hundred sixty-eight".