71068318280 has 64 divisors (see below), whose sum is σ = 161450982000. Its totient is φ = 28152520704.

The previous prime is 71068318267. The next prime is 71068318291. The reversal of 71068318280 is 8281386017.

It can be written as a sum of positive squares in 8 ways, for example, as 7072473604 + 63995844676 = 84098^2 + 252974^2 .

It is a super-3 number, since 3×71068318280³ (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16116716 + ... + 16121124.

Almost surely, 2^71068318280 is an apocalyptic number.

It is an amenable number.

71068318280 is an abundant number, since it is smaller than the sum of its proper divisors (90382663720).

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

71068318280 is a wasteful number, since it uses less digits than its factorization.

71068318280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8226 (or 8222 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 44.

The spelling of 71068318280 in words is "seventy-one billion, sixty-eight million, three hundred eighteen thousand, two hundred eighty".