18094073 has 6 divisors (see below), whose sum is σ = 18597726. Its totient is φ = 17603712.

The previous prime is 18094067. The next prime is 18094091. The reversal of 18094073 is 37049081.

It can be written as a sum of positive squares in 3 ways, for example, as 9314704 + 8779369 = 3052^2 + 2963^2 .

It is not a de Polignac number, because 18094073 - 2⁶ = 18094009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18094033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5240 + ... + 7977.

It is an arithmetic number, because the mean of its divisors is an integer number (3099621).

Almost surely, 2^18094073 is an apocalyptic number.

It is an amenable number.

18094073 is a deficient number, since it is larger than the sum of its proper divisors (503653).

18094073 is an equidigital number, since it uses as much as digits as its factorization.

18094073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13291 (or 13254 counting only the distinct ones).

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

The square root of 18094073 is about 4253.7128487946. The cubic root of 18094073 is about 262.5299037739.

The spelling of 18094073 in words is "eighteen million, ninety-four thousand, seventy-three".