71066140336 has 40 divisors (see below), whose sum is σ = 141494318784. Its totient is φ = 34556951040.

The previous prime is 71066140307. The next prime is 71066140337. The reversal of 71066140336 is 63304166017.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 71066140295 and 71066140304.

It is not an unprimeable number, because it can be changed into a prime (71066140337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37081 + ... + 378823.

Almost surely, 2^71066140336 is an apocalyptic number.

It is an amenable number.

71066140336 is a deficient number, since it is larger than the sum of its proper divisors (70428178448).

71066140336 is a wasteful number, since it uses less digits than its factorization.

71066140336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342109 (or 342103 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 37.

The spelling of 71066140336 in words is "seventy-one billion, sixty-six million, one hundred forty thousand, three hundred thirty-six".