27090629 has 2 divisors, whose sum is σ = 27090630. Its totient is φ = 27090628.

The previous prime is 27090607. The next prime is 27090631. The reversal of 27090629 is 92609072.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24108100 + 2982529 = 4910^2 + 1727^2 .

It is a cyclic number.

It is not a de Polignac number, because 27090629 - 2¹⁶ = 27025093 is a prime.

Together with 27090631, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27090229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13545314 + 13545315.

It is an arithmetic number, because the mean of its divisors is an integer number (13545315).

Almost surely, 2^27090629 is an apocalyptic number.

It is an amenable number.

27090629 is a deficient number, since it is larger than the sum of its proper divisors (1).

27090629 is an equidigital number, since it uses as much as digits as its factorization.

27090629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 27090629 is about 5204.8658964473. The cubic root of 27090629 is about 300.3352880963.

The spelling of 27090629 in words is "twenty-seven million, ninety thousand, six hundred twenty-nine".