71346743641 has 16 divisors (see below), whose sum is σ = 76643020800. Its totient is φ = 66179635200.

The previous prime is 71346743597. The next prime is 71346743701. The reversal of 71346743641 is 14634764317.

It is a cyclic number.

It is not a de Polignac number, because 71346743641 - 2⁹ = 71346743129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 71346743591 and 71346743600.

It is not an unprimeable number, because it can be changed into a prime (71346743141) 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 15 ways as a sum of consecutive naturals, for example, 216585 + ... + 435433.

It is an arithmetic number, because the mean of its divisors is an integer number (4790188800).

Almost surely, 2^71346743641 is an apocalyptic number.

It is an amenable number.

71346743641 is a deficient number, since it is larger than the sum of its proper divisors (5296277159).

71346743641 is a wasteful number, since it uses less digits than its factorization.

71346743641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219144.

The product of its digits is 1016064, while the sum is 46.

The spelling of 71346743641 in words is "seventy-one billion, three hundred forty-six million, seven hundred forty-three thousand, six hundred forty-one".