68818368 has 28 divisors (see below), whose sum is σ = 182082440. Its totient is φ = 22939392.

The previous prime is 68818339. The next prime is 68818381. The reversal of 68818368 is 86381886.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179023 + ... + 179406.

Almost surely, 2^68818368 is an apocalyptic number.

It is an amenable number.

68818368 is an abundant number, since it is smaller than the sum of its proper divisors (113264072).

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

68818368 is a wasteful number, since it uses less digits than its factorization.

68818368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358444 (or 358434 counting only the distinct ones).

The product of its digits is 442368, while the sum is 48.

The square root of 68818368 is about 8295.6836969595. The cubic root of 68818368 is about 409.7963851157.

The spelling of 68818368 in words is "sixty-eight million, eight hundred eighteen thousand, three hundred sixty-eight".