27133709 has 2 divisors, whose sum is σ = 27133710. Its totient is φ = 27133708.

The previous prime is 27133699. The next prime is 27133739. The reversal of 27133709 is 90733172.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27071209 + 62500 = 5203^2 + 250^2 .

It is a cyclic number.

It is not a de Polignac number, because 27133709 - 2⁴ = 27133693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27133739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13566854 + 13566855.

It is an arithmetic number, because the mean of its divisors is an integer number (13566855).

Almost surely, 2^27133709 is an apocalyptic number.

It is an amenable number.

27133709 is a deficient number, since it is larger than the sum of its proper divisors (1).

27133709 is an equidigital number, since it uses as much as digits as its factorization.

27133709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7938, while the sum is 32.

The square root of 27133709 is about 5209.0026876553. The cubic root of 27133709 is about 300.4944032889.

The spelling of 27133709 in words is "twenty-seven million, one hundred thirty-three thousand, seven hundred nine".