71107810734 has 32 divisors (see below), whose sum is σ = 142455991680. Its totient is φ = 23662575072.

The previous prime is 71107810733. The next prime is 71107810789. The reversal of 71107810734 is 43701870117.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 71107810692 and 71107810701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71107810733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16852077 + ... + 16856295.

It is an arithmetic number, because the mean of its divisors is an integer number (4451749740).

Almost surely, 2^71107810734 is an apocalyptic number.

71107810734 is an abundant number, since it is smaller than the sum of its proper divisors (71348180946).

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

71107810734 is a wasteful number, since it uses less digits than its factorization.

71107810734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8304.

The product of its (nonzero) digits is 32928, while the sum is 39.

The spelling of 71107810734 in words is "seventy-one billion, one hundred seven million, eight hundred ten thousand, seven hundred thirty-four".