18075087 has 6 divisors (see below), whose sum is σ = 26108472. Its totient is φ = 12050052.

The previous prime is 18075073. The next prime is 18075089. The reversal of 18075087 is 78057081.

It is not a de Polignac number, because 18075087 - 2⁸ = 18074831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18075089) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1004163 + ... + 1004180.

It is an arithmetic number, because the mean of its divisors is an integer number (4351412).

Almost surely, 2^18075087 is an apocalyptic number.

18075087 is a deficient number, since it is larger than the sum of its proper divisors (8033385).

18075087 is a wasteful number, since it uses less digits than its factorization.

18075087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2008349 (or 2008346 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 36.

The square root of 18075087 is about 4251.4805656383. The cubic root of 18075087 is about 262.4380479650.

The spelling of 18075087 in words is "eighteen million, seventy-five thousand, eighty-seven".