27494689 has 2 divisors, whose sum is σ = 27494690. Its totient is φ = 27494688.

The previous prime is 27494669. The next prime is 27494693. The reversal of 27494689 is 98649472.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15880225 + 11614464 = 3985^2 + 3408^2 .

It is a cyclic number.

It is not a de Polignac number, because 27494689 - 2⁷ = 27494561 is a prime.

It is not a weakly prime, because it can be changed into another prime (27494609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13747344 + 13747345.

It is an arithmetic number, because the mean of its divisors is an integer number (13747345).

Almost surely, 2^27494689 is an apocalyptic number.

It is an amenable number.

27494689 is a deficient number, since it is larger than the sum of its proper divisors (1).

27494689 is an equidigital number, since it uses as much as digits as its factorization.

27494689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 870912, while the sum is 49.

The square root of 27494689 is about 5243.5378324181. The cubic root of 27494689 is about 301.8211043756.

The spelling of 27494689 in words is "twenty-seven million, four hundred ninety-four thousand, six hundred eighty-nine".