68068384 has 24 divisors (see below), whose sum is σ = 134906688. Its totient is φ = 33806400.

The previous prime is 68068379. The next prime is 68068411. The reversal of 68068384 is 48386086.

It is a self number, because there is not a number n which added to its sum of digits gives 68068384.

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, 2212 + ... + 11875.

It is an arithmetic number, because the mean of its divisors is an integer number (5621112).

Almost surely, 2^68068384 is an apocalyptic number.

It is an amenable number.

68068384 is a deficient number, since it is larger than the sum of its proper divisors (66838304).

68068384 is a wasteful number, since it uses less digits than its factorization.

68068384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14248 (or 14240 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 43.

The square root of 68068384 is about 8250.3565983538. The cubic root of 68068384 is about 408.3022878336.

The spelling of 68068384 in words is "sixty-eight million, sixty-eight thousand, three hundred eighty-four".