71080707680 has 24 divisors (see below), whose sum is σ = 167928172272. Its totient is φ = 28432283008.

The previous prime is 71080707671. The next prime is 71080707689. The reversal of 71080707680 is 8670708017.

It is an interprime number because it is at equal distance from previous prime (71080707671) and next prime (71080707689).

It is a super-2 number, since 2×71080707680² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71080707689) 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, 222127052 + ... + 222127371.

It is an arithmetic number, because the mean of its divisors is an integer number (6997007178).

Almost surely, 2^71080707680 is an apocalyptic number.

It is an amenable number.

71080707680 is an abundant number, since it is smaller than the sum of its proper divisors (96847464592).

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

71080707680 is a wasteful number, since it uses less digits than its factorization.

71080707680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444254438 (or 444254430 counting only the distinct ones).

The product of its (nonzero) digits is 131712, while the sum is 44.

The spelling of 71080707680 in words is "seventy-one billion, eighty million, seven hundred seven thousand, six hundred eighty".