27695441 has 2 divisors, whose sum is σ = 27695442. Its totient is φ = 27695440.

The previous prime is 27695429. The next prime is 27695443. The reversal of 27695441 is 14459672.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26832400 + 863041 = 5180^2 + 929^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27695441 is a prime.

Together with 27695443, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 27695395 and 27695404.

It is not a weakly prime, because it can be changed into another prime (27695443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13847720 + 13847721.

It is an arithmetic number, because the mean of its divisors is an integer number (13847721).

Almost surely, 2^27695441 is an apocalyptic number.

It is an amenable number.

27695441 is a deficient number, since it is larger than the sum of its proper divisors (1).

27695441 is an equidigital number, since it uses as much as digits as its factorization.

27695441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 38.

The square root of 27695441 is about 5262.6458174572. The cubic root of 27695441 is about 302.5539042887.

Subtracting from 27695441 its sum of digits (38), we obtain a triangular number (27695403 = T₇₄₄₂).

The spelling of 27695441 in words is "twenty-seven million, six hundred ninety-five thousand, four hundred forty-one".