18716875 has 10 divisors (see below), whose sum is σ = 23389388. Its totient is φ = 14973000.

The previous prime is 18716849. The next prime is 18716899. The reversal of 18716875 is 57861781.

It is not a de Polignac number, because 18716875 - 2¹¹ = 18714827 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 9 ways as a sum of consecutive naturals, for example, 14349 + ... + 15598.

Almost surely, 2^18716875 is an apocalyptic number.

18716875 is a deficient number, since it is larger than the sum of its proper divisors (4672513).

18716875 is an frugal number, since it uses more digits than its factorization.

18716875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29967 (or 29952 counting only the distinct ones).

The product of its digits is 94080, while the sum is 43.

The square root of 18716875 is about 4326.3003825440. The cubic root of 18716875 is about 265.5081031192.

It can be divided in two parts, 18716 and 875, that added together give a palindrome (19591).

The spelling of 18716875 in words is "eighteen million, seven hundred sixteen thousand, eight hundred seventy-five".