71446479472 has 20 divisors (see below), whose sum is σ = 138864243816. Its totient is φ = 35610545600.

The previous prime is 71446479427. The next prime is 71446479473. The reversal of 71446479472 is 27497464417.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71446479473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7038154 + ... + 7048297.

Almost surely, 2^71446479472 is an apocalyptic number.

It is an amenable number.

71446479472 is a deficient number, since it is larger than the sum of its proper divisors (67417764344).

71446479472 is a wasteful number, since it uses less digits than its factorization.

71446479472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14086776 (or 14086770 counting only the distinct ones).

The product of its digits is 9483264, while the sum is 55.

The spelling of 71446479472 in words is "seventy-one billion, four hundred forty-six million, four hundred seventy-nine thousand, four hundred seventy-two".