71482757708544 has 576 divisors, whose sum is σ = 244824760320000. Its totient is φ = 17996577325056.

The previous prime is 71482757708519. The next prime is 71482757708581. The reversal of 71482757708544 is 44580775728417.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 802060017 + ... + 802149135.

Almost surely, 2^{71482757708544} 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 71482757708544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122412380160000).

71482757708544 is an abundant number, since it is smaller than the sum of its proper divisors (173342002611456).

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

71482757708544 is a wasteful number, since it uses less digits than its factorization.

71482757708544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89680 (or 89666 counting only the distinct ones).

The product of its (nonzero) digits is 491724800, while the sum is 69.

The spelling of 71482757708544 in words is "seventy-one trillion, four hundred eighty-two billion, seven hundred fifty-seven million, seven hundred eight thousand, five hundred forty-four".