71000217632 has 24 divisors (see below), whose sum is σ = 145859144256. Its totient is φ = 33956625472.

The previous prime is 71000217623. The next prime is 71000217649. The reversal of 71000217632 is 23671200017.

It is a junction number, because it is equal to n+sod(n) for n = 71000217595 and 71000217604.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48233108 + ... + 48234579.

It is an arithmetic number, because the mean of its divisors is an integer number (6077464344).

Almost surely, 2^71000217632 is an apocalyptic number.

It is an amenable number.

71000217632 is an abundant number, since it is smaller than the sum of its proper divisors (74858926624).

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

71000217632 is a wasteful number, since it uses less digits than its factorization.

71000217632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96467720 (or 96467712 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 29.

Adding to 71000217632 its reverse (23671200017), we get a palindrome (94671417649).

The spelling of 71000217632 in words is "seventy-one billion, two hundred seventeen thousand, six hundred thirty-two".