27608321 has 8 divisors (see below), whose sum is σ = 30691584. Its totient is φ = 24662160.

The previous prime is 27608299. The next prime is 27608333. The reversal of 27608321 is 12380672.

It is a happy number.

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 27608321 - 2¹⁰ = 27607297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27608351) 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, 33851 + ... + 34656.

It is an arithmetic number, because the mean of its divisors is an integer number (3836448).

Almost surely, 2^27608321 is an apocalyptic number.

It is an amenable number.

27608321 is a deficient number, since it is larger than the sum of its proper divisors (3083263).

27608321 is a wasteful number, since it uses less digits than its factorization.

27608321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68551.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 27608321 is about 5254.3620925856. The cubic root of 27608321 is about 302.2363287631.

Adding to 27608321 its reverse (12380672), we get a palindrome (39988993).

The spelling of 27608321 in words is "twenty-seven million, six hundred eight thousand, three hundred twenty-one".