71943623934673 has 64 divisors (see below), whose sum is σ = 76069300608000. Its totient is φ = 67952005761024.

The previous prime is 71943623934667. The next prime is 71943623934683. The reversal of 71943623934673 is 37643932634917.

It is a cyclic number.

It is not a de Polignac number, because 71943623934673 - 2⁴¹ = 69744600679121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 71943623934599 and 71943623934608.

It is not an unprimeable number, because it can be changed into a prime (71943623934683) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 52398851415 + ... + 52398852787.

It is an arithmetic number, because the mean of its divisors is an integer number (1188582822000).

Almost surely, 2^{71943623934673} is an apocalyptic number.

It is an amenable number.

71943623934673 is a deficient number, since it is larger than the sum of its proper divisors (4125676673327).

71943623934673 is a wasteful number, since it uses less digits than its factorization.

71943623934673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2314.

The product of its digits is 370355328, while the sum is 67.

The spelling of 71943623934673 in words is "seventy-one trillion, nine hundred forty-three billion, six hundred twenty-three million, nine hundred thirty-four thousand, six hundred seventy-three".