27945675 has 48 divisors (see below), whose sum is σ = 54064000. Its totient is φ = 14113440.

The previous prime is 27945661. The next prime is 27945689. The reversal of 27945675 is 57654972.

It is an interprime number because it is at equal distance from previous prime (27945661) and next prime (27945689).

It is not a de Polignac number, because 27945675 - 2⁶ = 27945611 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 27945675.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11736 + ... + 13914.

Almost surely, 2^27945675 is an apocalyptic number.

27945675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

27945675 is a deficient number, since it is larger than the sum of its proper divisors (26118325).

27945675 is a wasteful number, since it uses less digits than its factorization.

27945675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2217 (or 2206 counting only the distinct ones).

The product of its digits is 529200, while the sum is 45.

The square root of 27945675 is about 5286.3668998661. The cubic root of 27945675 is about 303.4623858819.

It can be divided in two parts, 279 and 45675, that added together give a palindrome (45954).

The spelling of 27945675 in words is "twenty-seven million, nine hundred forty-five thousand, six hundred seventy-five".