71145837768 has 32 divisors (see below), whose sum is σ = 177900701760. Its totient is φ = 23710464960.

The previous prime is 71145837751. The next prime is 71145837793. The reversal of 71145837768 is 86773854117.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179203 + ... + 417618.

It is an arithmetic number, because the mean of its divisors is an integer number (5559396930).

Almost surely, 2^71145837768 is an apocalyptic number.

It is an amenable number.

71145837768 is an abundant number, since it is smaller than the sum of its proper divisors (106754863992).

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

71145837768 is a wasteful number, since it uses less digits than its factorization.

71145837768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601797 (or 601793 counting only the distinct ones).

The product of its digits is 7902720, while the sum is 57.

The spelling of 71145837768 in words is "seventy-one billion, one hundred forty-five million, eight hundred thirty-seven thousand, seven hundred sixty-eight".