68018504 has 32 divisors (see below), whose sum is σ = 132192000. Its totient is φ = 32789952.

The previous prime is 68018501. The next prime is 68018519. The reversal of 68018504 is 40581086.

It is not an unprimeable number, because it can be changed into a prime (68018501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23657 + ... + 26375.

It is an arithmetic number, because the mean of its divisors is an integer number (4131000).

Almost surely, 2^68018504 is an apocalyptic number.

It is an amenable number.

68018504 is a deficient number, since it is larger than the sum of its proper divisors (64173496).

68018504 is a wasteful number, since it uses less digits than its factorization.

68018504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2837 (or 2833 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 68018504 is about 8247.3331447202. Note that the first 3 decimals coincide. The cubic root of 68018504 is about 408.2025298468.

The spelling of 68018504 in words is "sixty-eight million, eighteen thousand, five hundred four".