18075043 has 4 divisors (see below), whose sum is σ = 20657200. Its totient is φ = 15492888.

The previous prime is 18075037. The next prime is 18075049. The reversal of 18075043 is 34057081.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (18075037) and next prime (18075049).

It is a cyclic number.

It is not a de Polignac number, because 18075043 - 2⁵ = 18075011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18075049) 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 3 ways as a sum of consecutive naturals, for example, 1291068 + ... + 1291081.

It is an arithmetic number, because the mean of its divisors is an integer number (5164300).

Almost surely, 2^18075043 is an apocalyptic number.

18075043 is a deficient number, since it is larger than the sum of its proper divisors (2582157).

18075043 is an equidigital number, since it uses as much as digits as its factorization.

18075043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2582156.

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

The square root of 18075043 is about 4251.4753909672. The cubic root of 18075043 is about 262.4378350148.

The spelling of 18075043 in words is "eighteen million, seventy-five thousand, forty-three".