71384941 has 2 divisors, whose sum is σ = 71384942. Its totient is φ = 71384940.

The previous prime is 71384927. The next prime is 71384969. The reversal of 71384941 is 14948317.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69655716 + 1729225 = 8346^2 + 1315^2 .

It is an emirp because it is prime and its reverse (14948317) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71384941 - 2¹¹ = 71382893 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 71384941.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71384981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35692470 + 35692471.

It is an arithmetic number, because the mean of its divisors is an integer number (35692471).

Almost surely, 2^71384941 is an apocalyptic number.

It is an amenable number.

71384941 is a deficient number, since it is larger than the sum of its proper divisors (1).

71384941 is an equidigital number, since it uses as much as digits as its factorization.

71384941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 37.

The square root of 71384941 is about 8448.9609420330. The cubic root of 71384941 is about 414.8287695394.

The spelling of 71384941 in words is "seventy-one million, three hundred eighty-four thousand, nine hundred forty-one".