18075207 has 16 divisors (see below), whose sum is σ = 25043040. Its totient is φ = 11582592.

The previous prime is 18075191. The next prime is 18075209. The reversal of 18075207 is 70257081.

It is a happy number.

It is not a de Polignac number, because 18075207 - 2⁴ = 18075191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18075209) 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, 32173 + ... + 32729.

It is an arithmetic number, because the mean of its divisors is an integer number (1565190).

Almost surely, 2^18075207 is an apocalyptic number.

18075207 is a deficient number, since it is larger than the sum of its proper divisors (6967833).

18075207 is a wasteful number, since it uses less digits than its factorization.

18075207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962.

The product of its (nonzero) digits is 3920, while the sum is 30.

The square root of 18075207 is about 4251.4946783455. The cubic root of 18075207 is about 262.4386287367.

It can be divided in two parts, 1807 and 5207, that multiplied together give a palindrome (9409049).

The spelling of 18075207 in words is "eighteen million, seventy-five thousand, two hundred seven".