71943623934672 has 320 divisors, whose sum is σ = 219048003030528. Its totient is φ = 19919278080000.

The previous prime is 71943623934667. The next prime is 71943623934683. The reversal of 71943623934672 is 27643932634917.

71943623934672 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11032602772 + ... + 11032609292.

Almost surely, 2^{71943623934672} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71943623934672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109524001515264).

71943623934672 is an abundant number, since it is smaller than the sum of its proper divisors (147104379095856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71943623934672 is a wasteful number, since it uses less digits than its factorization.

71943623934672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11838 (or 11832 counting only the distinct ones).

The product of its digits is 246903552, while the sum is 66.

The spelling of 71943623934672 in words is "seventy-one trillion, nine hundred forty-three billion, six hundred twenty-three million, nine hundred thirty-four thousand, six hundred seventy-two".