27132845 has 4 divisors (see below), whose sum is σ = 32559420. Its totient is φ = 21706272.

The previous prime is 27132839. The next prime is 27132883. The reversal of 27132845 is 54823172.

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

It can be written as a sum of positive squares in 2 ways, for example, as 18826921 + 8305924 = 4339^2 + 2882^2 .

It is a cyclic number.

It is not a de Polignac number, because 27132845 - 2⁴ = 27132829 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2713280 + ... + 2713289.

It is an arithmetic number, because the mean of its divisors is an integer number (8139855).

Almost surely, 2^27132845 is an apocalyptic number.

It is an amenable number.

27132845 is a deficient number, since it is larger than the sum of its proper divisors (5426575).

27132845 is an equidigital number, since it uses as much as digits as its factorization.

27132845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5426574.

The product of its digits is 13440, while the sum is 32.

The square root of 27132845 is about 5208.9197536533. The cubic root of 27132845 is about 300.4912137763.

The spelling of 27132845 in words is "twenty-seven million, one hundred thirty-two thousand, eight hundred forty-five".