27493 has 4 divisors (see below), whose sum is σ = 28960. Its totient is φ = 26028.

The previous prime is 27487. The next prime is 27509. The reversal of 27493 is 39472.

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 a cyclic number.

It is not a de Polignac number, because 27493 - 2⁹ = 26981 is a prime.

It is a d-powerful number, because it can be written as 2 + 7⁵ + 4⁶ + 9⁴ + 3³ .

It is a Duffinian number.

27493 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27793) 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, 705 + ... + 742.

It is an arithmetic number, because the mean of its divisors is an integer number (7240).

2²⁷⁴⁹³ is an apocalyptic number.

It is an amenable number.

27493 is a deficient number, since it is larger than the sum of its proper divisors (1467).

27493 is a wasteful number, since it uses less digits than its factorization.

27493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1466.

The product of its digits is 1512, while the sum is 25.

The square root of 27493 is about 165.8101323804. The cubic root of 27493 is about 30.1814923954.

The spelling of 27493 in words is "twenty-seven thousand, four hundred ninety-three".