27480329 has 2 divisors, whose sum is σ = 27480330. Its totient is φ = 27480328.

The previous prime is 27480293. The next prime is 27480359. The reversal of 27480329 is 92308472.

Together with previous prime (27480293) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26574025 + 906304 = 5155^2 + 952^2 .

It is a cyclic number.

It is not a de Polignac number, because 27480329 - 2²⁴ = 10703113 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (27480359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13740164 + 13740165.

It is an arithmetic number, because the mean of its divisors is an integer number (13740165).

Almost surely, 2^27480329 is an apocalyptic number.

It is an amenable number.

27480329 is a deficient number, since it is larger than the sum of its proper divisors (1).

27480329 is an equidigital number, since it uses as much as digits as its factorization.

27480329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 27480329 is about 5242.1683490708. The cubic root of 27480329 is about 301.7685499129.

The spelling of 27480329 in words is "twenty-seven million, four hundred eighty thousand, three hundred twenty-nine".