71324403041 has 4 divisors (see below), whose sum is σ = 72301449732. Its totient is φ = 70347356352.

The previous prime is 71324403037. The next prime is 71324403061. The reversal of 71324403041 is 14030442317.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 41726641441 + 29597761600 = 204271^2 + 172040^2 .

It is a cyclic number.

It is not a de Polignac number, because 71324403041 - 2² = 71324403037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 71324402995 and 71324403013.

It is not an unprimeable number, because it can be changed into a prime (71324403011) 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 in 3 ways as a sum of consecutive naturals, for example, 488523236 + ... + 488523381.

It is an arithmetic number, because the mean of its divisors is an integer number (18075362433).

Almost surely, 2^71324403041 is an apocalyptic number.

It is an amenable number.

71324403041 is a deficient number, since it is larger than the sum of its proper divisors (977046691).

71324403041 is an equidigital number, since it uses as much as digits as its factorization.

71324403041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977046690.

The product of its (nonzero) digits is 8064, while the sum is 29.

Adding to 71324403041 its reverse (14030442317), we get a palindrome (85354845358).

The spelling of 71324403041 in words is "seventy-one billion, three hundred twenty-four million, four hundred three thousand, forty-one".