18232075 has 12 divisors (see below), whose sum is σ = 23938200. Its totient is φ = 13727360.

The previous prime is 18232073. The next prime is 18232079. The reversal of 18232075 is 57023281.

It is not a de Polignac number, because 18232075 - 2¹ = 18232073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18232073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21025 + ... + 21874.

It is an arithmetic number, because the mean of its divisors is an integer number (1994850).

Almost surely, 2^18232075 is an apocalyptic number.

18232075 is a deficient number, since it is larger than the sum of its proper divisors (5706125).

18232075 is a wasteful number, since it uses less digits than its factorization.

18232075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42926 (or 42921 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 18232075 is about 4269.9033946917. The cubic root of 18232075 is about 263.1956454089.

The spelling of 18232075 in words is "eighteen million, two hundred thirty-two thousand, seventy-five".