27074389 has 2 divisors, whose sum is σ = 27074390. Its totient is φ = 27074388.

The previous prime is 27074357. The next prime is 27074413. The reversal of 27074389 is 98347072.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26780625 + 293764 = 5175^2 + 542^2 .

It is a cyclic number.

It is not a de Polignac number, because 27074389 - 2⁵ = 27074357 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 (27074329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13537194 + 13537195.

It is an arithmetic number, because the mean of its divisors is an integer number (13537195).

Almost surely, 2^27074389 is an apocalyptic number.

It is an amenable number.

27074389 is a deficient number, since it is larger than the sum of its proper divisors (1).

27074389 is an equidigital number, since it uses as much as digits as its factorization.

27074389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 27074389 is about 5203.3055839533. The cubic root of 27074389 is about 300.2752621734.

The spelling of 27074389 in words is "twenty-seven million, seventy-four thousand, three hundred eighty-nine".