71710007140 has 12 divisors (see below), whose sum is σ = 150591015036. Its totient is φ = 28684002848.

The previous prime is 71710007123. The next prime is 71710007141. The reversal of 71710007140 is 4170001717.

It can be written as a sum of positive squares in 2 ways, for example, as 28565732196 + 43144274944 = 169014^2 + 207712^2 .

It is a junction number, because it is equal to n+sod(n) for n = 71710007099 and 71710007108.

It is not an unprimeable number, because it can be changed into a prime (71710007141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1792750159 + ... + 1792750198.

It is an arithmetic number, because the mean of its divisors is an integer number (12549251253).

Almost surely, 2^71710007140 is an apocalyptic number.

It is an amenable number.

71710007140 is an abundant number, since it is smaller than the sum of its proper divisors (78881007896).

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

71710007140 is a wasteful number, since it uses less digits than its factorization.

71710007140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3585500366 (or 3585500364 counting only the distinct ones).

The product of its (nonzero) digits is 1372, while the sum is 28.

Adding to 71710007140 its reverse (4170001717), we get a palindrome (75880008857).

The spelling of 71710007140 in words is "seventy-one billion, seven hundred ten million, seven thousand, one hundred forty".