7271273 has 2 divisors, whose sum is σ = 7271274. Its totient is φ = 7271272.

The previous prime is 7271237. The next prime is 7271279. The reversal of 7271273 is 3721727.

7271273 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (7271237) 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., 5234944 + 2036329 = 2288^2 + 1427^2 .

It is an emirp because it is prime and its reverse (3721727) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7271273 is a prime.

It is a super-2 number, since 2×7271273² = 105742822081058, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (7271279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3635636 + 3635637.

It is an arithmetic number, because the mean of its divisors is an integer number (3635637).

Almost surely, 2^7271273 is an apocalyptic number.

It is an amenable number.

7271273 is a deficient number, since it is larger than the sum of its proper divisors (1).

7271273 is an equidigital number, since it uses as much as digits as its factorization.

7271273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4116, while the sum is 29.

The square root of 7271273 is about 2696.5298069927. The cubic root of 7271273 is about 193.7329464005.

The spelling of 7271273 in words is "seven million, two hundred seventy-one thousand, two hundred seventy-three".