27540873 has 6 divisors (see below), whose sum is σ = 39781274. Its totient is φ = 18360576.

The previous prime is 27540871. The next prime is 27540883. The reversal of 27540873 is 37804572.

It can be written as a sum of positive squares in only one way, i.e., 18558864 + 8982009 = 4308^2 + 2997^2 .

It is not a de Polignac number, because 27540873 - 2¹ = 27540871 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27540871) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1530040 + ... + 1530057.

Almost surely, 2^27540873 is an apocalyptic number.

It is an amenable number.

27540873 is a deficient number, since it is larger than the sum of its proper divisors (12240401).

27540873 is a wasteful number, since it uses less digits than its factorization.

27540873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3060103 (or 3060100 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 27540873 is about 5247.9398815154. The cubic root of 27540873 is about 301.9900037625.

The spelling of 27540873 in words is "twenty-seven million, five hundred forty thousand, eight hundred seventy-three".