71069 has 2 divisors, whose sum is σ = 71070. Its totient is φ = 71068.

The previous prime is 71059. The next prime is 71081. The reversal of 71069 is 96017.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36100 + 34969 = 190^2 + 187^2 .

It is an emirp because it is prime and its reverse (96017) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71069 - 2¹² = 66973 is a prime.

It is a super-2 number, since 2×71069² = 10101605522, which contains 22 as substring.

It is an Ulam number.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35534 + 35535.

It is an arithmetic number, because the mean of its divisors is an integer number (35535).

2⁷¹⁰⁶⁹ is an apocalyptic number.

It is an amenable number.

71069 is a deficient number, since it is larger than the sum of its proper divisors (1).

71069 is an equidigital number, since it uses as much as digits as its factorization.

71069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 71069 is about 266.5876966403. The cubic root of 71069 is about 41.4215870679.

The spelling of 71069 in words is "seventy-one thousand, sixty-nine".