27272897 has 2 divisors, whose sum is σ = 27272898. Its totient is φ = 27272896.

The previous prime is 27272891. The next prime is 27272911. The reversal of 27272897 is 79827272.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13957696 + 13315201 = 3736^2 + 3649^2 .

It is a cyclic number.

It is not a de Polignac number, because 27272897 - 2¹⁰ = 27271873 is a prime.

It is not a weakly prime, because it can be changed into another prime (27272891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13636448 + 13636449.

It is an arithmetic number, because the mean of its divisors is an integer number (13636449).

Almost surely, 2^27272897 is an apocalyptic number.

It is an amenable number.

27272897 is a deficient number, since it is larger than the sum of its proper divisors (1).

27272897 is an equidigital number, since it uses as much as digits as its factorization.

27272897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 197568, while the sum is 44.

The square root of 27272897 is about 5222.3459287948. The cubic root of 27272897 is about 301.0073433748.

The spelling of 27272897 in words is "twenty-seven million, two hundred seventy-two thousand, eight hundred ninety-seven".