27212071 has 2 divisors, whose sum is σ = 27212072. Its totient is φ = 27212070.

The previous prime is 27212051. The next prime is 27212093. The reversal of 27212071 is 17021272.

It is an a-pointer prime, because the next prime (27212093) can be obtained adding 27212071 to its sum of digits (22).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27212071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27212011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13606035 + 13606036.

It is an arithmetic number, because the mean of its divisors is an integer number (13606036).

Almost surely, 2^27212071 is an apocalyptic number.

27212071 is a deficient number, since it is larger than the sum of its proper divisors (1).

27212071 is an equidigital number, since it uses as much as digits as its factorization.

27212071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 392, while the sum is 22.

The square root of 27212071 is about 5216.5190500946. The cubic root of 27212071 is about 300.7834006456.

The spelling of 27212071 in words is "twenty-seven million, two hundred twelve thousand, seventy-one".