18275632 has 20 divisors (see below), whose sum is σ = 36367216. Its totient is φ = 8890560.

The previous prime is 18275573. The next prime is 18275633. The reversal of 18275632 is 23657281.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (18275633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14844 + ... + 16027.

Almost surely, 2^18275632 is an apocalyptic number.

It is an amenable number.

18275632 is a deficient number, since it is larger than the sum of its proper divisors (18091584).

18275632 is a wasteful number, since it uses less digits than its factorization.

18275632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30916 (or 30910 counting only the distinct ones).

The product of its digits is 20160, while the sum is 34.

The square root of 18275632 is about 4275.0008187134. Note that the first 3 decimals coincide. The cubic root of 18275632 is about 263.4050729430.

The spelling of 18275632 in words is "eighteen million, two hundred seventy-five thousand, six hundred thirty-two".