27216875 has 20 divisors (see below), whose sum is σ = 38875056. Its totient is φ = 18660000.

The previous prime is 27216863. The next prime is 27216883. The reversal of 27216875 is 57861272.

It is not a de Polignac number, because 27216875 - 2⁴ = 27216859 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1265 + ... + 7485.

Almost surely, 2^27216875 is an apocalyptic number.

27216875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

27216875 is a deficient number, since it is larger than the sum of its proper divisors (11658181).

27216875 is an frugal number, since it uses more digits than its factorization.

27216875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6248 (or 6233 counting only the distinct ones).

The product of its digits is 47040, while the sum is 38.

The square root of 27216875 is about 5216.9794900881. The cubic root of 27216875 is about 300.8010996345.

The spelling of 27216875 in words is "twenty-seven million, two hundred sixteen thousand, eight hundred seventy-five".