71344001 has 2 divisors, whose sum is σ = 71344002. Its totient is φ = 71344000.

The previous prime is 71343967. The next prime is 71344003. The reversal of 71344001 is 10044317.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53290000 + 18054001 = 7300^2 + 4249^2 .

It is an emirp because it is prime and its reverse (10044317) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71344001 is a prime.

It is a Sophie Germain prime.

Together with 71344003, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (71344003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35672000 + 35672001.

It is an arithmetic number, because the mean of its divisors is an integer number (35672001).

Almost surely, 2^71344001 is an apocalyptic number.

It is an amenable number.

71344001 is a deficient number, since it is larger than the sum of its proper divisors (1).

71344001 is an equidigital number, since it uses as much as digits as its factorization.

71344001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 71344001 is about 8446.5378114349. The cubic root of 71344001 is about 414.7494515148.

Adding to 71344001 its reverse (10044317), we get a palindrome (81388318).

The spelling of 71344001 in words is "seventy-one million, three hundred forty-four thousand, one".