27440093 has 4 divisors (see below), whose sum is σ = 27482268. Its totient is φ = 27397920.

The previous prime is 27440089. The next prime is 27440099. The reversal of 27440093 is 39004472.

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 21279769 + 6160324 = 4613^2 + 2482^2 .

It is a cyclic number.

It is not a de Polignac number, because 27440093 - 2² = 27440089 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 (27440099) 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, 20096 + ... + 21417.

It is an arithmetic number, because the mean of its divisors is an integer number (6870567).

Almost surely, 2^27440093 is an apocalyptic number.

It is an amenable number.

27440093 is a deficient number, since it is larger than the sum of its proper divisors (42175).

27440093 is an equidigital number, since it uses as much as digits as its factorization.

27440093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42174.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 27440093 is about 5238.3292183672. The cubic root of 27440093 is about 301.6211973565.

The spelling of 27440093 in words is "twenty-seven million, four hundred forty thousand, ninety-three".