27272473 has 2 divisors, whose sum is σ = 27272474. Its totient is φ = 27272472.

The previous prime is 27272447. The next prime is 27272489. The reversal of 27272473 is 37427272.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21279769 + 5992704 = 4613^2 + 2448^2 .

It is a cyclic number.

It is not a de Polignac number, because 27272473 - 2²¹ = 25175321 is a prime.

It is not a weakly prime, because it can be changed into another prime (27270473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13636236 + 13636237.

It is an arithmetic number, because the mean of its divisors is an integer number (13636237).

Almost surely, 2^27272473 is an apocalyptic number.

It is an amenable number.

27272473 is a deficient number, since it is larger than the sum of its proper divisors (1).

27272473 is an equidigital number, since it uses as much as digits as its factorization.

27272473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32928, while the sum is 34.

The square root of 27272473 is about 5222.3053338540. The cubic root of 27272473 is about 301.0057834895.

The spelling of 27272473 in words is "twenty-seven million, two hundred seventy-two thousand, four hundred seventy-three".