27305227 has 4 divisors (see below), whose sum is σ = 27318640. Its totient is φ = 27291816.

The previous prime is 27305189. The next prime is 27305231. The reversal of 27305227 is 72250372.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 27305227 - 2⁷ = 27305099 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27305195 and 27305204.

It is not an unprimeable number, because it can be changed into a prime (27305237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2952 + ... + 7957.

It is an arithmetic number, because the mean of its divisors is an integer number (6829660).

Almost surely, 2^27305227 is an apocalyptic number.

27305227 is a deficient number, since it is larger than the sum of its proper divisors (13413).

27305227 is a wasteful number, since it uses less digits than its factorization.

27305227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13412.

The product of its (nonzero) digits is 5880, while the sum is 28.

The square root of 27305227 is about 5225.4403642181. The cubic root of 27305227 is about 301.1262370466.

Adding to 27305227 its reverse (72250372), we get a palindrome (99555599).

The spelling of 27305227 in words is "twenty-seven million, three hundred five thousand, two hundred twenty-seven".