27321713 has 4 divisors (see below), whose sum is σ = 27364848. Its totient is φ = 27278580.

The previous prime is 27321667. The next prime is 27321743. The reversal of 27321713 is 31712372.

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 27321713 - 2⁶ = 27321649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27321743) 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, 20603 + ... + 21888.

It is an arithmetic number, because the mean of its divisors is an integer number (6841212).

Almost surely, 2^27321713 is an apocalyptic number.

It is an amenable number.

27321713 is a deficient number, since it is larger than the sum of its proper divisors (43135).

27321713 is an equidigital number, since it uses as much as digits as its factorization.

27321713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43134.

The product of its digits is 1764, while the sum is 26.

The square root of 27321713 is about 5227.0176008887. The cubic root of 27321713 is about 301.1868282339.

The spelling of 27321713 in words is "twenty-seven million, three hundred twenty-one thousand, seven hundred thirteen".