71263349 has 2 divisors, whose sum is σ = 71263350. Its totient is φ = 71263348.

The previous prime is 71263343. The next prime is 71263373. The reversal of 71263349 is 94336217.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48748324 + 22515025 = 6982^2 + 4745^2 .

It is a cyclic number.

It is not a de Polignac number, because 71263349 - 2⁴ = 71263333 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71263343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35631674 + 35631675.

It is an arithmetic number, because the mean of its divisors is an integer number (35631675).

Almost surely, 2^71263349 is an apocalyptic number.

It is an amenable number.

71263349 is a deficient number, since it is larger than the sum of its proper divisors (1).

71263349 is an equidigital number, since it uses as much as digits as its factorization.

71263349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 35.

The square root of 71263349 is about 8441.7621975509. The cubic root of 71263349 is about 414.5931058046.

The spelling of 71263349 in words is "seventy-one million, two hundred sixty-three thousand, three hundred forty-nine".