18073004 has 24 divisors (see below), whose sum is σ = 32514048. Its totient is φ = 8786000.

The previous prime is 18072997. The next prime is 18073007. The reversal of 18073004 is 40037081.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (18073007) 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, 46997 + ... + 47379.

It is an arithmetic number, because the mean of its divisors is an integer number (1354752).

Almost surely, 2^18073004 is an apocalyptic number.

It is an amenable number.

18073004 is a deficient number, since it is larger than the sum of its proper divisors (14441044).

18073004 is a wasteful number, since it uses less digits than its factorization.

18073004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685 (or 683 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 18073004 is about 4251.2355850976. The cubic root of 18073004 is about 262.4279663270.

The spelling of 18073004 in words is "eighteen million, seventy-three thousand, four".