71894743748 has 12 divisors (see below), whose sum is σ = 125857497360. Its totient is φ = 35935458792.

The previous prime is 71894743733. The next prime is 71894743793. The reversal of 71894743748 is 84734749817.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2964686 + ... + 2988837.

It is an arithmetic number, because the mean of its divisors is an integer number (10488124780).

Almost surely, 2^71894743748 is an apocalyptic number.

It is an amenable number.

71894743748 is a deficient number, since it is larger than the sum of its proper divisors (53962753612).

71894743748 is a wasteful number, since it uses less digits than its factorization.

71894743748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5956546 (or 5956544 counting only the distinct ones).

The product of its digits is 37933056, while the sum is 62.

The spelling of 71894743748 in words is "seventy-one billion, eight hundred ninety-four million, seven hundred forty-three thousand, seven hundred forty-eight".