71171361 has 12 divisors (see below), whose sum is σ = 107273088. Its totient is φ = 45384504.

The previous prime is 71171339. The next prime is 71171389. The reversal of 71171361 is 16317117.

It is not a de Polignac number, because 71171361 - 2⁶ = 71171297 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (71171161) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 171705 + ... + 172118.

It is an arithmetic number, because the mean of its divisors is an integer number (8939424).

Almost surely, 2^71171361 is an apocalyptic number.

It is an amenable number.

71171361 is a deficient number, since it is larger than the sum of its proper divisors (36101727).

71171361 is a wasteful number, since it uses less digits than its factorization.

71171361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343852 (or 343849 counting only the distinct ones).

The product of its digits is 882, while the sum is 27.

The square root of 71171361 is about 8436.3120497051. The cubic root of 71171361 is about 414.4146409392.

Adding to 71171361 its reverse (16317117), we get a palindrome (87488478).

The spelling of 71171361 in words is "seventy-one million, one hundred seventy-one thousand, three hundred sixty-one".