27328217 has 4 divisors (see below), whose sum is σ = 31232256. Its totient is φ = 23424180.

The previous prime is 27328211. The next prime is 27328229. The reversal of 27328217 is 71282372.

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 27328217 - 2⁸ = 27327961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27328211) 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, 1952009 + ... + 1952022.

It is an arithmetic number, because the mean of its divisors is an integer number (7808064).

Almost surely, 2^27328217 is an apocalyptic number.

It is an amenable number.

27328217 is a deficient number, since it is larger than the sum of its proper divisors (3904039).

27328217 is an equidigital number, since it uses as much as digits as its factorization.

27328217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3904038.

The product of its digits is 9408, while the sum is 32.

The square root of 27328217 is about 5227.6397159713. The cubic root of 27328217 is about 301.2107257558.

The spelling of 27328217 in words is "twenty-seven million, three hundred twenty-eight thousand, two hundred seventeen".