18104073 has 16 divisors (see below), whose sum is σ = 26355840. Its totient is φ = 10986624.

The previous prime is 18104057. The next prime is 18104087. The reversal of 18104073 is 37040181.

It is not a de Polignac number, because 18104073 - 2⁴ = 18104057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18104173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 333 + ... + 6026.

It is an arithmetic number, because the mean of its divisors is an integer number (1647240).

Almost surely, 2^18104073 is an apocalyptic number.

18104073 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

18104073 is a deficient number, since it is larger than the sum of its proper divisors (8251767).

18104073 is a wasteful number, since it uses less digits than its factorization.

18104073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6448.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 18104073 is about 4254.8881301393. Note that the first 3 decimals coincide. The cubic root of 18104073 is about 262.5782587527.

The spelling of 18104073 in words is "eighteen million, one hundred four thousand, seventy-three".