71843341403 has 4 divisors (see below), whose sum is σ = 71930636688. Its totient is φ = 71756046120.

The previous prime is 71843341321. The next prime is 71843341411. The reversal of 71843341403 is 30414334817.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71843341403 is a prime.

It is a super-2 number, since 2×71843341403² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71843341463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43646408 + ... + 43648053.

It is an arithmetic number, because the mean of its divisors is an integer number (17982659172).

Almost surely, 2^71843341403 is an apocalyptic number.

71843341403 is a deficient number, since it is larger than the sum of its proper divisors (87295285).

71843341403 is an equidigital number, since it uses as much as digits as its factorization.

71843341403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87295284.

The product of its (nonzero) digits is 96768, while the sum is 38.

The spelling of 71843341403 in words is "seventy-one billion, eight hundred forty-three million, three hundred forty-one thousand, four hundred three".