71224913344 has 28 divisors (see below), whose sum is σ = 152209011304. Its totient is φ = 32873036544.

The previous prime is 71224913323. The next prime is 71224913351. The reversal of 71224913344 is 44331942217.

It is a junction number, because it is equal to n+sod(n) for n = 71224913297 and 71224913306.

It is a congruent number.

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, 42802602 + ... + 42804265.

It is an arithmetic number, because the mean of its divisors is an integer number (5436036118).

Almost surely, 2^71224913344 is an apocalyptic number.

It is an amenable number.

71224913344 is an abundant number, since it is smaller than the sum of its proper divisors (80984097960).

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

71224913344 is a wasteful number, since it uses less digits than its factorization.

71224913344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85606892 (or 85606882 counting only the distinct ones).

The product of its digits is 145152, while the sum is 40.

The spelling of 71224913344 in words is "seventy-one billion, two hundred twenty-four million, nine hundred thirteen thousand, three hundred forty-four".