71064269 has 2 divisors, whose sum is σ = 71064270. Its totient is φ = 71064268.

The previous prime is 71064173. The next prime is 71064271. The reversal of 71064269 is 96246017.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70341769 + 722500 = 8387^2 + 850^2 .

It is a cyclic number.

It is not a de Polignac number, because 71064269 - 2²⁴ = 54287053 is a prime.

It is a super-3 number, since 3×71064269³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 71064271, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71064289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35532134 + 35532135.

It is an arithmetic number, because the mean of its divisors is an integer number (35532135).

Almost surely, 2^71064269 is an apocalyptic number.

It is an amenable number.

71064269 is a deficient number, since it is larger than the sum of its proper divisors (1).

71064269 is an equidigital number, since it uses as much as digits as its factorization.

71064269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 71064269 is about 8429.9625740569. The cubic root of 71064269 is about 414.2066791476.

The spelling of 71064269 in words is "seventy-one million, sixty-four thousand, two hundred sixty-nine".