27041689 has 2 divisors, whose sum is σ = 27041690. Its totient is φ = 27041688.

The previous prime is 27041683. The next prime is 27041737. The reversal of 27041689 is 98614072.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21902400 + 5139289 = 4680^2 + 2267^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27041689 is a prime.

It is not a weakly prime, because it can be changed into another prime (27041683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13520844 + 13520845.

It is an arithmetic number, because the mean of its divisors is an integer number (13520845).

Almost surely, 2^27041689 is an apocalyptic number.

It is an amenable number.

27041689 is a deficient number, since it is larger than the sum of its proper divisors (1).

27041689 is an equidigital number, since it uses as much as digits as its factorization.

27041689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 27041689 is about 5200.1624013102. The cubic root of 27041689 is about 300.1543243035.

It can be divided in two parts, 27041 and 689, that added together give a triangular number (27730 = T₂₃₅).

The spelling of 27041689 in words is "twenty-seven million, forty-one thousand, six hundred eighty-nine".