18073904 has 10 divisors (see below), whose sum is σ = 35018220. Its totient is φ = 9036944.

The previous prime is 18073877. The next prime is 18073919. The reversal of 18073904 is 40937081.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 564794 + ... + 564825.

It is an arithmetic number, because the mean of its divisors is an integer number (3501822).

Almost surely, 2^18073904 is an apocalyptic number.

It is an amenable number.

18073904 is a deficient number, since it is larger than the sum of its proper divisors (16944316).

18073904 is a wasteful number, since it uses less digits than its factorization.

18073904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1129627 (or 1129621 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 18073904 is about 4251.3414353590. The cubic root of 18073904 is about 262.4323223866.

The spelling of 18073904 in words is "eighteen million, seventy-three thousand, nine hundred four".