71680037922 has 24 divisors (see below), whose sum is σ = 156492301680. Its totient is φ = 23710953240.

The previous prime is 71680037921. The next prime is 71680037981. The reversal of 71680037922 is 22973008617.

It is a super-4 number, since 4×71680037922⁴ (a number of 45 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (71680037921) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15196972 + ... + 15201687.

It is an arithmetic number, because the mean of its divisors is an integer number (6520512570).

Almost surely, 2^71680037922 is an apocalyptic number.

71680037922 is an abundant number, since it is smaller than the sum of its proper divisors (84812263758).

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

71680037922 is a wasteful number, since it uses less digits than its factorization.

71680037922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30398798 (or 30398795 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The spelling of 71680037922 in words is "seventy-one billion, six hundred eighty million, thirty-seven thousand, nine hundred twenty-two".