18275268 has 24 divisors (see below), whose sum is σ = 46519200. Its totient is φ = 5537920.

The previous prime is 18275263. The next prime is 18275269. The reversal of 18275268 is 86257281.

It is not an unprimeable number, because it can be changed into a prime (18275261) 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 7 ways as a sum of consecutive naturals, for example, 69093 + ... + 69356.

It is an arithmetic number, because the mean of its divisors is an integer number (1938300).

Almost surely, 2^18275268 is an apocalyptic number.

It is an amenable number.

18275268 is an abundant number, since it is smaller than the sum of its proper divisors (28243932).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18275268 is a wasteful number, since it uses less digits than its factorization.

18275268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138467 (or 138465 counting only the distinct ones).

The product of its digits is 53760, while the sum is 39.

The square root of 18275268 is about 4274.9582454101. The cubic root of 18275268 is about 263.4033241648.

The spelling of 18275268 in words is "eighteen million, two hundred seventy-five thousand, two hundred sixty-eight".