27540227 has 24 divisors (see below), whose sum is σ = 33655440. Its totient is φ = 22216320.

The previous prime is 27540217. The next prime is 27540239. The reversal of 27540227 is 72204572.

It is not a de Polignac number, because 27540227 - 2⁴ = 27540211 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a self number, because there is not a number n which added to its sum of digits gives 27540227.

It is not an unprimeable number, because it can be changed into a prime (27540217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 120149 + ... + 120377.

It is an arithmetic number, because the mean of its divisors is an integer number (1402310).

Almost surely, 2^27540227 is an apocalyptic number.

27540227 is a deficient number, since it is larger than the sum of its proper divisors (6115213).

27540227 is a wasteful number, since it uses less digits than its factorization.

27540227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311 (or 282 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 29.

The square root of 27540227 is about 5247.8783331933. The cubic root of 27540227 is about 301.9876425802.

Adding to 27540227 its reverse (72204572), we get a palindrome (99744799).

The spelling of 27540227 in words is "twenty-seven million, five hundred forty thousand, two hundred twenty-seven".