18818675 has 6 divisors (see below), whose sum is σ = 23335188. Its totient is φ = 15054920.

The previous prime is 18818671. The next prime is 18818687. The reversal of 18818675 is 57681881.

It is not a de Polignac number, because 18818675 - 2² = 18818671 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18818671) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 376349 + ... + 376398.

It is an arithmetic number, because the mean of its divisors is an integer number (3889198).

Almost surely, 2^18818675 is an apocalyptic number.

18818675 is a deficient number, since it is larger than the sum of its proper divisors (4516513).

18818675 is an equidigital number, since it uses as much as digits as its factorization.

18818675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752757 (or 752752 counting only the distinct ones).

The product of its digits is 107520, while the sum is 44.

The square root of 18818675 is about 4338.0496769862. The cubic root of 18818675 is about 265.9885941177.

The spelling of 18818675 in words is "eighteen million, eight hundred eighteen thousand, six hundred seventy-five".