27481089 has 4 divisors (see below), whose sum is σ = 36641456. Its totient is φ = 18320724.

The previous prime is 27481081. The next prime is 27481093. The reversal of 27481089 is 98018472.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 27481089 - 2³ = 27481081 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (27481081) 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, 4580179 + ... + 4580184.

It is an arithmetic number, because the mean of its divisors is an integer number (9160364).

Almost surely, 2^27481089 is an apocalyptic number.

It is an amenable number.

27481089 is a deficient number, since it is larger than the sum of its proper divisors (9160367).

27481089 is an equidigital number, since it uses as much as digits as its factorization.

27481089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9160366.

The product of its (nonzero) digits is 32256, while the sum is 39.

The square root of 27481089 is about 5242.2408376571. The cubic root of 27481089 is about 301.7713318056.

The spelling of 27481089 in words is "twenty-seven million, four hundred eighty-one thousand, eighty-nine".