18064073 has 2 divisors, whose sum is σ = 18064074. Its totient is φ = 18064072.

The previous prime is 18064049. The next prime is 18064087. The reversal of 18064073 is 37046081.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9815689 + 8248384 = 3133^2 + 2872^2 .

It is a cyclic number.

It is not a de Polignac number, because 18064073 - 2⁶ = 18064009 is a prime.

It is not a weakly prime, because it can be changed into another prime (18064093) 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 as a sum of consecutive naturals, namely, 9032036 + 9032037.

It is an arithmetic number, because the mean of its divisors is an integer number (9032037).

Almost surely, 2^18064073 is an apocalyptic number.

It is an amenable number.

18064073 is a deficient number, since it is larger than the sum of its proper divisors (1).

18064073 is an equidigital number, since it uses as much as digits as its factorization.

18064073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 18064073 is about 4250.1850547947. The cubic root of 18064073 is about 262.3847318553.

The spelling of 18064073 in words is "eighteen million, sixty-four thousand, seventy-three".