68597568 has 84 divisors (see below), whose sum is σ = 211770468. Its totient is φ = 21104640.

The previous prime is 68597561. The next prime is 68597579. The reversal of 68597568 is 86579586.

It can be written as a sum of positive squares in 2 ways, for example, as 16064064 + 52533504 = 4008^2 + 7248^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68597561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2908 + ... + 12068.

It is an arithmetic number, because the mean of its divisors is an integer number (2521077).

Almost surely, 2^68597568 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 68597568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105885234).

68597568 is an abundant number, since it is smaller than the sum of its proper divisors (143172900).

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

68597568 is a wasteful number, since it uses less digits than its factorization.

68597568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9192 (or 9179 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 54.

The square root of 68597568 is about 8282.3648796705. The cubic root of 68597568 is about 409.3576457340.

The spelling of 68597568 in words is "sixty-eight million, five hundred ninety-seven thousand, five hundred sixty-eight".