27375681 has 16 divisors (see below), whose sum is σ = 39404160. Its totient is φ = 16853760.

The previous prime is 27375653. The next prime is 27375721. The reversal of 27375681 is 18657372.

It is not a de Polignac number, because 27375681 - 2⁶ = 27375617 is a prime.

It is a super-2 number, since 2×27375681² = 1498855820427522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27375611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4840 + ... + 8841.

It is an arithmetic number, because the mean of its divisors is an integer number (2462760).

Almost surely, 2^27375681 is an apocalyptic number.

It is an amenable number.

27375681 is a deficient number, since it is larger than the sum of its proper divisors (12028479).

27375681 is a wasteful number, since it uses less digits than its factorization.

27375681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13736.

The product of its digits is 70560, while the sum is 39.

The square root of 27375681 is about 5232.1774625867. The cubic root of 27375681 is about 301.3850071221.

The spelling of 27375681 in words is "twenty-seven million, three hundred seventy-five thousand, six hundred eighty-one".