18495975 has 12 divisors (see below), whose sum is σ = 30580136. Its totient is φ = 9864480.

The previous prime is 18495973. The next prime is 18495989. The reversal of 18495975 is 57959481.

It is not a de Polignac number, because 18495975 - 2¹ = 18495973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18495973) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 123232 + ... + 123381.

Almost surely, 2^18495975 is an apocalyptic number.

18495975 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

18495975 is a deficient number, since it is larger than the sum of its proper divisors (12084161).

18495975 is a wasteful number, since it uses less digits than its factorization.

18495975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246626 (or 246621 counting only the distinct ones).

The product of its digits is 453600, while the sum is 48.

The square root of 18495975 is about 4300.6947113228. The cubic root of 18495975 is about 264.4594415866.

The spelling of 18495975 in words is "eighteen million, four hundred ninety-five thousand, nine hundred seventy-five".