18290075 has 6 divisors (see below), whose sum is σ = 22679724. Its totient is φ = 14632040.

The previous prime is 18290053. The next prime is 18290087. The reversal of 18290075 is 57009281.

It is not a de Polignac number, because 18290075 - 2¹⁶ = 18224539 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 365777 + ... + 365826.

It is an arithmetic number, because the mean of its divisors is an integer number (3779954).

Almost surely, 2^18290075 is an apocalyptic number.

18290075 is a deficient number, since it is larger than the sum of its proper divisors (4389649).

18290075 is an equidigital number, since it uses as much as digits as its factorization.

18290075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731613 (or 731608 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 18290075 is about 4276.6897245416. The cubic root of 18290075 is about 263.4744432340.

The spelling of 18290075 in words is "eighteen million, two hundred ninety thousand, seventy-five".