68288584 has 64 divisors (see below), whose sum is σ = 165916800. Its totient is φ = 25588224.

The previous prime is 68288579. The next prime is 68288593. The reversal of 68288584 is 48588286.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11364 + ... + 16300.

It is an arithmetic number, because the mean of its divisors is an integer number (2592450).

Almost surely, 2^68288584 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 68288584, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82958400).

68288584 is an abundant number, since it is smaller than the sum of its proper divisors (97628216).

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

68288584 is a wasteful number, since it uses less digits than its factorization.

68288584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4982 (or 4978 counting only the distinct ones).

The product of its digits is 983040, while the sum is 49.

The square root of 68288584 is about 8263.6907008915. The cubic root of 68288584 is about 408.7420974385.

The spelling of 68288584 in words is "sixty-eight million, two hundred eighty-eight thousand, five hundred eighty-four".