18494075 has 12 divisors (see below), whose sum is σ = 23493288. Its totient is φ = 14433600.

The previous prime is 18494057. The next prime is 18494123. The reversal of 18494075 is 57049481.

It is not a de Polignac number, because 18494075 - 2¹⁸ = 18231931 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 11 ways as a sum of consecutive naturals, for example, 7997 + ... + 10046.

It is an arithmetic number, because the mean of its divisors is an integer number (1957774).

Almost surely, 2^18494075 is an apocalyptic number.

18494075 is a deficient number, since it is larger than the sum of its proper divisors (4999213).

18494075 is a wasteful number, since it uses less digits than its factorization.

18494075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18094 (or 18089 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 18494075 is about 4300.4738111050. The cubic root of 18494075 is about 264.4503857398.

The spelling of 18494075 in words is "eighteen million, four hundred ninety-four thousand, seventy-five".