71446873344 has 216 divisors, whose sum is σ = 241308573408. Its totient is φ = 18557521920.

The previous prime is 71446873297. The next prime is 71446873357. The reversal of 71446873344 is 44337864417.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 327654 + ... + 500250.

Almost surely, 2^71446873344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71446873344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120654286704).

71446873344 is an abundant number, since it is smaller than the sum of its proper divisors (169861700064).

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

71446873344 is a wasteful number, since it uses less digits than its factorization.

71446873344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172641 (or 172620 counting only the distinct ones).

The product of its digits is 5419008, while the sum is 51.

The spelling of 71446873344 in words is "seventy-one billion, four hundred forty-six million, eight hundred seventy-three thousand, three hundred forty-four".