71141773 has 2 divisors, whose sum is σ = 71141774. Its totient is φ = 71141772.

The previous prime is 71141767. The next prime is 71141789. The reversal of 71141773 is 37714117.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43072969 + 28068804 = 6563^2 + 5298^2 .

It is a cyclic number.

It is not a de Polignac number, because 71141773 - 2⁹ = 71141261 is a prime.

It is a super-2 number, since 2×71141773² = 10122303731167058, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71145773) 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, 35570886 + 35570887.

It is an arithmetic number, because the mean of its divisors is an integer number (35570887).

Almost surely, 2^71141773 is an apocalyptic number.

It is an amenable number.

71141773 is a deficient number, since it is larger than the sum of its proper divisors (1).

71141773 is an equidigital number, since it uses as much as digits as its factorization.

71141773 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4116, while the sum is 31.

The square root of 71141773 is about 8434.5582575497. The cubic root of 71141773 is about 414.3572049153.

The spelling of 71141773 in words is "seventy-one million, one hundred forty-one thousand, seven hundred seventy-three".