71749853788 has 12 divisors (see below), whose sum is σ = 126263710440. Its totient is φ = 35674507952.

The previous prime is 71749853759. The next prime is 71749853801. The reversal of 71749853788 is 88735894717.

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 3 ways as a sum of consecutive naturals, for example, 50103931 + ... + 50105362.

It is an arithmetic number, because the mean of its divisors is an integer number (10521975870).

Almost surely, 2^71749853788 is an apocalyptic number.

It is an amenable number.

71749853788 is a deficient number, since it is larger than the sum of its proper divisors (54513856652).

71749853788 is a wasteful number, since it uses less digits than its factorization.

71749853788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100209476 (or 100209474 counting only the distinct ones).

The product of its digits is 94832640, while the sum is 67.

The spelling of 71749853788 in words is "seventy-one billion, seven hundred forty-nine million, eight hundred fifty-three thousand, seven hundred eighty-eight".