18573875 has 16 divisors (see below), whose sum is σ = 23368800. Its totient is φ = 14738400.

The previous prime is 18573871. The next prime is 18573899. The reversal of 18573875 is 57837581.

It is not a de Polignac number, because 18573875 - 2² = 18573871 is a prime.

It is a super-3 number, since 3×18573875³ (a number of 23 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (18573871) 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 15 ways as a sum of consecutive naturals, for example, 16841 + ... + 17909.

It is an arithmetic number, because the mean of its divisors is an integer number (1460550).

Almost surely, 2^18573875 is an apocalyptic number.

18573875 is a deficient number, since it is larger than the sum of its proper divisors (4794925).

18573875 is a wasteful number, since it uses less digits than its factorization.

18573875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1223 (or 1213 counting only the distinct ones).

The product of its digits is 235200, while the sum is 44.

The square root of 18573875 is about 4309.7418716206. The cubic root of 18573875 is about 264.8301985667.

The spelling of 18573875 in words is "eighteen million, five hundred seventy-three thousand, eight hundred seventy-five".