71327743 has 2 divisors, whose sum is σ = 71327744. Its totient is φ = 71327742.

The previous prime is 71327723. The next prime is 71327803. The reversal of 71327743 is 34772317.

It is a weak prime.

It is an emirp because it is prime and its reverse (34772317) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71327743 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 71327699 and 71327708.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71327723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35663871 + 35663872.

It is an arithmetic number, because the mean of its divisors is an integer number (35663872).

Almost surely, 2^71327743 is an apocalyptic number.

71327743 is a deficient number, since it is larger than the sum of its proper divisors (1).

71327743 is an equidigital number, since it uses as much as digits as its factorization.

71327743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24696, while the sum is 34.

The square root of 71327743 is about 8445.5753504424. The cubic root of 71327743 is about 414.7179445030.

The spelling of 71327743 in words is "seventy-one million, three hundred twenty-seven thousand, seven hundred forty-three".