27608005 has 8 divisors (see below), whose sum is σ = 33159672. Its totient is φ = 22066368.

The previous prime is 27608003. The next prime is 27608023. The reversal of 27608005 is 50080672.

It can be written as a sum of positive squares in 4 ways, for example, as 3381921 + 24226084 = 1839^2 + 4922^2 .

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 27608005 - 2¹ = 27608003 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 (27608003) 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, 6499 + ... + 9871.

It is an arithmetic number, because the mean of its divisors is an integer number (4144959).

Almost surely, 2^27608005 is an apocalyptic number.

It is an amenable number.

27608005 is a deficient number, since it is larger than the sum of its proper divisors (5551667).

27608005 is a wasteful number, since it uses less digits than its factorization.

27608005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5015.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 27608005 is about 5254.3320222460. The cubic root of 27608005 is about 302.2351756441.

Adding to 27608005 its reverse (50080672), we get a palindrome (77688677).

The spelling of 27608005 in words is "twenty-seven million, six hundred eight thousand, five".