68239584 has 120 divisors (see below), whose sum is σ = 229421808. Its totient is φ = 19491840.

The previous prime is 68239573. The next prime is 68239607. The reversal of 68239584 is 48593286.

68239584 is a `hidden beast` number, since 68 + 2 + 3 + 9 + 584 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 16264 + ... + 20024.

Almost surely, 2^68239584 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 68239584, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114710904).

68239584 is an abundant number, since it is smaller than the sum of its proper divisors (161182224).

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

68239584 is a wasteful number, since it uses less digits than its factorization.

68239584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3790 (or 3773 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 68239584 is about 8260.7253918769. The cubic root of 68239584 is about 408.6443106933.

The spelling of 68239584 in words is "sixty-eight million, two hundred thirty-nine thousand, five hundred eighty-four".