18672875 has 16 divisors (see below), whose sum is σ = 25098528. Its totient is φ = 13788000.

The previous prime is 18672859. The next prime is 18672923. The reversal of 18672875 is 57827681.

It is not a de Polignac number, because 18672875 - 2⁴ = 18672859 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4121 + ... + 7370.

It is an arithmetic number, because the mean of its divisors is an integer number (1568658).

Almost surely, 2^18672875 is an apocalyptic number.

18672875 is a deficient number, since it is larger than the sum of its proper divisors (6425653).

18672875 is a wasteful number, since it uses less digits than its factorization.

18672875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11519 (or 11509 counting only the distinct ones).

The product of its digits is 188160, while the sum is 44.

The square root of 18672875 is about 4321.2122141825. The cubic root of 18672875 is about 265.2998859732.

The spelling of 18672875 in words is "eighteen million, six hundred seventy-two thousand, eight hundred seventy-five".