68441568 has 96 divisors (see below), whose sum is σ = 195211296. Its totient is φ = 20871168.

The previous prime is 68441567. The next prime is 68441579. The reversal of 68441568 is 86514486.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68441561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 215746 + ... + 216062.

It is an arithmetic number, because the mean of its divisors is an integer number (2033451).

Almost surely, 2^68441568 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 68441568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97605648).

68441568 is an abundant number, since it is smaller than the sum of its proper divisors (126769728).

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

68441568 is a wasteful number, since it uses less digits than its factorization.

68441568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516 (or 508 counting only the distinct ones).

The product of its digits is 184320, while the sum is 42.

The square root of 68441568 is about 8272.9419192933. The cubic root of 68441568 is about 409.0470989493.

The spelling of 68441568 in words is "sixty-eight million, four hundred forty-one thousand, five hundred sixty-eight".