27227461 has 4 divisors (see below), whose sum is σ = 27238924. Its totient is φ = 27216000.

The previous prime is 27227441. The next prime is 27227477. The reversal of 27227461 is 16472272.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 25250625 + 1976836 = 5025^2 + 1406^2 .

It is a cyclic number.

It is not a de Polignac number, because 27227461 - 2⁹ = 27226949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27227441) 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, 690 + ... + 7411.

It is an arithmetic number, because the mean of its divisors is an integer number (6809731).

Almost surely, 2^27227461 is an apocalyptic number.

It is an amenable number.

27227461 is a deficient number, since it is larger than the sum of its proper divisors (11463).

27227461 is an equidigital number, since it uses as much as digits as its factorization.

27227461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11462.

The product of its digits is 9408, while the sum is 31.

The square root of 27227461 is about 5217.9939632008. The cubic root of 27227461 is about 300.8400934290.

The spelling of 27227461 in words is "twenty-seven million, two hundred twenty-seven thousand, four hundred sixty-one".