68118384 has 40 divisors (see below), whose sum is σ = 180269712. Its totient is φ = 22151680.

The previous prime is 68118359. The next prime is 68118397. The reversal of 68118384 is 48381186.

It is a super-2 number, since 2×68118384² = 9280228477542912, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15339 + ... + 19274.

Almost surely, 2^68118384 is an apocalyptic number.

It is an amenable number.

68118384 is an abundant number, since it is smaller than the sum of its proper divisors (112151328).

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

68118384 is a wasteful number, since it uses less digits than its factorization.

68118384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34665 (or 34659 counting only the distinct ones).

The product of its digits is 36864, while the sum is 39.

The square root of 68118384 is about 8253.3862141548. The cubic root of 68118384 is about 408.4022369169.

The spelling of 68118384 in words is "sixty-eight million, one hundred eighteen thousand, three hundred eighty-four".