71347741 has 2 divisors, whose sum is σ = 71347742. Its totient is φ = 71347740.

The previous prime is 71347733. The next prime is 71347769. The reversal of 71347741 is 14774317.

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., 48594841 + 22752900 = 6971^2 + 4770^2 .

It is an emirp because it is prime and its reverse (14774317) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71347741 - 2³ = 71347733 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 71347697 and 71347706.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71347141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35673870 + 35673871.

It is an arithmetic number, because the mean of its divisors is an integer number (35673871).

Almost surely, 2^71347741 is an apocalyptic number.

It is an amenable number.

71347741 is a deficient number, since it is larger than the sum of its proper divisors (1).

71347741 is an equidigital number, since it uses as much as digits as its factorization.

71347741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16464, while the sum is 34.

The square root of 71347741 is about 8446.7592010191. The cubic root of 71347741 is about 414.7566987294.

The spelling of 71347741 in words is "seventy-one million, three hundred forty-seven thousand, seven hundred forty-one".