71006105208 has 128 divisors (see below), whose sum is σ = 188606880000. Its totient is φ = 22214126592.

The previous prime is 71006105197. The next prime is 71006105221. The reversal of 71006105208 is 80250160017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23914348 + ... + 23917316.

It is an arithmetic number, because the mean of its divisors is an integer number (1473491250).

Almost surely, 2^71006105208 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 71006105208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94303440000).

71006105208 is an abundant number, since it is smaller than the sum of its proper divisors (117600774792).

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

71006105208 is a wasteful number, since it uses less digits than its factorization.

71006105208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3469 (or 3465 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 30.

The spelling of 71006105208 in words is "seventy-one billion, six million, one hundred five thousand, two hundred eight".