71408962203936 has 72 divisors (see below), whose sum is σ = 218052366744240. Its totient is φ = 20402560628352.

The previous prime is 71408962203923. The next prime is 71408962203979. The reversal of 71408962203936 is 63930226980417.

It is a self number, because there is not a number n which added to its sum of digits gives 71408962203936.

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 11 ways as a sum of consecutive naturals, for example, 7590233626 + ... + 7590243033.

It is an arithmetic number, because the mean of its divisors is an integer number (3028505093670).

Almost surely, 2^{71408962203936} is an apocalyptic number.

It is an amenable number.

71408962203936 is an abundant number, since it is smaller than the sum of its proper divisors (146643404540304).

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

71408962203936 is a wasteful number, since it uses less digits than its factorization.

71408962203936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15180476686 (or 15180476671 counting only the distinct ones).

The product of its (nonzero) digits is 23514624, while the sum is 60.

The spelling of 71408962203936 in words is "seventy-one trillion, four hundred eight billion, nine hundred sixty-two million, two hundred three thousand, nine hundred thirty-six".