71327477268 has 72 divisors (see below), whose sum is σ = 182566421856. Its totient is φ = 23477256000.

The previous prime is 71327477267. The next prime is 71327477297. The reversal of 71327477268 is 86277472317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71327477267) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7199118 + ... + 7209018.

It is an arithmetic number, because the mean of its divisors is an integer number (2535644748).

Almost surely, 2^71327477268 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71327477268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91283210928).

71327477268 is an abundant number, since it is smaller than the sum of its proper divisors (111238944588).

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

71327477268 is a wasteful number, since it uses less digits than its factorization.

71327477268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12405 (or 12400 counting only the distinct ones).

The product of its digits is 5531904, while the sum is 54.

The spelling of 71327477268 in words is "seventy-one billion, three hundred twenty-seven million, four hundred seventy-seven thousand, two hundred sixty-eight".