18242875 has 16 divisors (see below), whose sum is σ = 26020800. Its totient is φ = 12508800.

The previous prime is 18242863. The next prime is 18242881. The reversal of 18242875 is 57824281.

It is not a de Polignac number, because 18242875 - 2⁷ = 18242747 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9550 + ... + 11299.

It is an arithmetic number, because the mean of its divisors is an integer number (1626300).

Almost surely, 2^18242875 is an apocalyptic number.

18242875 is a deficient number, since it is larger than the sum of its proper divisors (7777925).

18242875 is an equidigital number, since it uses as much as digits as its factorization.

18242875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20871 (or 20861 counting only the distinct ones).

The product of its digits is 35840, while the sum is 37.

The square root of 18242875 is about 4271.1678730764. The cubic root of 18242875 is about 263.2476042395.

The spelling of 18242875 in words is "eighteen million, two hundred forty-two thousand, eight hundred seventy-five".