27381493 has 8 divisors (see below), whose sum is σ = 27893600. Its totient is φ = 26872560.

The previous prime is 27381491. The next prime is 27381521. The reversal of 27381493 is 39418372.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27381493 - 2¹ = 27381491 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 (27381491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22798 + ... + 23968.

It is an arithmetic number, because the mean of its divisors is an integer number (3486700).

Almost surely, 2^27381493 is an apocalyptic number.

It is an amenable number.

27381493 is a deficient number, since it is larger than the sum of its proper divisors (512107).

27381493 is a wasteful number, since it uses less digits than its factorization.

27381493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1587.

The product of its digits is 36288, while the sum is 37.

The square root of 27381493 is about 5232.7328424065. The cubic root of 27381493 is about 301.4063341497.

The spelling of 27381493 in words is "twenty-seven million, three hundred eighty-one thousand, four hundred ninety-three".