68365568 has 72 divisors (see below), whose sum is σ = 150994368. Its totient is φ = 30728192.

The previous prime is 68365541. The next prime is 68365579. The reversal of 68365568 is 86556386.

It is a congruent 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, 99755 + ... + 100437.

It is an arithmetic number, because the mean of its divisors is an integer number (2097144).

Almost surely, 2^68365568 is an apocalyptic number.

68365568 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68365568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75497184).

68365568 is an abundant number, since it is smaller than the sum of its proper divisors (82628800).

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

68365568 is a wasteful number, since it uses less digits than its factorization.

68365568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739 (or 725 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 47.

The square root of 68365568 is about 8268.3473560319. The cubic root of 68365568 is about 408.8956359595.

The spelling of 68365568 in words is "sixty-eight million, three hundred sixty-five thousand, five hundred sixty-eight".