68559568 has 60 divisors (see below), whose sum is σ = 166899040. Its totient is φ = 26706240.

The previous prime is 68559539. The next prime is 68559571. The reversal of 68559568 is 86595586.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11023 + ... + 16081.

Almost surely, 2^68559568 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 68559568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83449520).

68559568 is an abundant number, since it is smaller than the sum of its proper divisors (98339472).

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

68559568 is a wasteful number, since it uses less digits than its factorization.

68559568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5096 (or 5079 counting only the distinct ones).

The product of its digits is 2592000, while the sum is 52.

The square root of 68559568 is about 8280.0705311006. The cubic root of 68559568 is about 409.2820431325.

The spelling of 68559568 in words is "sixty-eight million, five hundred fifty-nine thousand, five hundred sixty-eight".