71348273 has 2 divisors, whose sum is σ = 71348274. Its totient is φ = 71348272.

The previous prime is 71348261. The next prime is 71348281. The reversal of 71348273 is 37284317.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59706529 + 11641744 = 7727^2 + 3412^2 .

It is a cyclic number.

It is not a de Polignac number, because 71348273 - 2⁴ = 71348257 is a prime.

It is not a weakly prime, because it can be changed into another prime (71348213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35674136 + 35674137.

It is an arithmetic number, because the mean of its divisors is an integer number (35674137).

Almost surely, 2^71348273 is an apocalyptic number.

It is an amenable number.

71348273 is a deficient number, since it is larger than the sum of its proper divisors (1).

71348273 is an equidigital number, since it uses as much as digits as its factorization.

71348273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28224, while the sum is 35.

The square root of 71348273 is about 8446.7906923281. The cubic root of 71348273 is about 414.7577295960.

The spelling of 71348273 in words is "seventy-one million, three hundred forty-eight thousand, two hundred seventy-three".