27671373 has 6 divisors (see below), whose sum is σ = 39969774. Its totient is φ = 18447576.

The previous prime is 27671363. The next prime is 27671381. The reversal of 27671373 is 37317672.

It can be written as a sum of positive squares in only one way, i.e., 19954089 + 7717284 = 4467^2 + 2778^2 .

It is not a de Polignac number, because 27671373 - 2⁵ = 27671341 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27671333) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1537290 + ... + 1537307.

It is an arithmetic number, because the mean of its divisors is an integer number (6661629).

Almost surely, 2^27671373 is an apocalyptic number.

It is an amenable number.

27671373 is a deficient number, since it is larger than the sum of its proper divisors (12298401).

27671373 is a wasteful number, since it uses less digits than its factorization.

27671373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3074603 (or 3074600 counting only the distinct ones).

The product of its digits is 37044, while the sum is 36.

The square root of 27671373 is about 5260.3586379638. The cubic root of 27671373 is about 302.4662366979.

The spelling of 27671373 in words is "twenty-seven million, six hundred seventy-one thousand, three hundred seventy-three".