27960017 has 4 divisors (see below), whose sum is σ = 27971940. Its totient is φ = 27948096.

The previous prime is 27960011. The next prime is 27960059. The reversal of 27960017 is 71006972.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 22743361 + 5216656 = 4769^2 + 2284^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27960017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27960011) 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, 1148 + ... + 7565.

It is an arithmetic number, because the mean of its divisors is an integer number (6992985).

Almost surely, 2^27960017 is an apocalyptic number.

It is an amenable number.

27960017 is a deficient number, since it is larger than the sum of its proper divisors (11923).

27960017 is an equidigital number, since it uses as much as digits as its factorization.

27960017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11922.

The product of its (nonzero) digits is 5292, while the sum is 32.

The square root of 27960017 is about 5287.7232340583. The cubic root of 27960017 is about 303.5142903145.

Adding to 27960017 its reverse (71006972), we get a palindrome (98966989).

The spelling of 27960017 in words is "twenty-seven million, nine hundred sixty thousand, seventeen".