27674389 has 2 divisors, whose sum is σ = 27674390. Its totient is φ = 27674388.

The previous prime is 27674377. The next prime is 27674401. The reversal of 27674389 is 98347672.

It is a balanced prime because it is at equal distance from previous prime (27674377) and next prime (27674401).

It can be written as a sum of positive squares in only one way, i.e., 27352900 + 321489 = 5230^2 + 567^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27674389 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27674489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13837194 + 13837195.

It is an arithmetic number, because the mean of its divisors is an integer number (13837195).

Almost surely, 2^27674389 is an apocalyptic number.

It is an amenable number.

27674389 is a deficient number, since it is larger than the sum of its proper divisors (1).

27674389 is an equidigital number, since it uses as much as digits as its factorization.

27674389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 508032, while the sum is 46.

The square root of 27674389 is about 5260.6453026221. The cubic root of 27674389 is about 302.4772252507.

The spelling of 27674389 in words is "twenty-seven million, six hundred seventy-four thousand, three hundred eighty-nine".