27682493 has 4 divisors (see below), whose sum is σ = 27698748. Its totient is φ = 27666240.

The previous prime is 27682489. The next prime is 27682507. The reversal of 27682493 is 39428672.

It is a happy number.

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 7279204 + 20403289 = 2698^2 + 4517^2 .

It is a cyclic number.

It is not a de Polignac number, because 27682493 - 2² = 27682489 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27682493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27682433) 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, 5228 + ... + 9093.

It is an arithmetic number, because the mean of its divisors is an integer number (6924687).

Almost surely, 2^27682493 is an apocalyptic number.

It is an amenable number.

27682493 is a deficient number, since it is larger than the sum of its proper divisors (16255).

27682493 is a wasteful number, since it uses less digits than its factorization.

27682493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16254.

The product of its digits is 145152, while the sum is 41.

The square root of 27682493 is about 5261.4154939522. The cubic root of 27682493 is about 302.5067475671.

The spelling of 27682493 in words is "twenty-seven million, six hundred eighty-two thousand, four hundred ninety-three".