71741081 has 2 divisors, whose sum is σ = 71741082. Its totient is φ = 71741080.

The previous prime is 71741077. The next prime is 71741083. The reversal of 71741081 is 18014717.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70829056 + 912025 = 8416^2 + 955^2 .

It is a cyclic number.

It is not a de Polignac number, because 71741081 - 2² = 71741077 is a prime.

It is a super-2 number, since 2×71741081² = 10293565406097122, which contains 22 as substring.

Together with 71741083, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (71741083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35870540 + 35870541.

It is an arithmetic number, because the mean of its divisors is an integer number (35870541).

Almost surely, 2^71741081 is an apocalyptic number.

It is an amenable number.

71741081 is a deficient number, since it is larger than the sum of its proper divisors (1).

71741081 is an equidigital number, since it uses as much as digits as its factorization.

71741081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1568, while the sum is 29.

The square root of 71741081 is about 8470.0106847630. The cubic root of 71741081 is about 415.5174867368.

Adding to 71741081 its reverse (18014717), we get a palindrome (89755798).

The spelling of 71741081 in words is "seventy-one million, seven hundred forty-one thousand, eighty-one".