71943034410 has 224 divisors, whose sum is σ = 216310908240. Its totient is φ = 17097744384.

The previous prime is 71943034369. The next prime is 71943034421. The reversal of 71943034410 is 1443034917.

It can be written as a sum of positive squares in 8 ways, for example, as 38816486361 + 33126548049 = 197019^2 + 182007^2 .

It is an unprimeable number.

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 111 ways as a sum of consecutive naturals, for example, 2735242 + ... + 2761418.

Almost surely, 2^71943034410 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71943034410, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108155454120).

71943034410 is an abundant number, since it is smaller than the sum of its proper divisors (144367873830).

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

71943034410 is a wasteful number, since it uses less digits than its factorization.

71943034410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26244 (or 26229 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The spelling of 71943034410 in words is "seventy-one billion, nine hundred forty-three million, thirty-four thousand, four hundred ten".