71572327488 has 112 divisors (see below), whose sum is σ = 210886608960. Its totient is φ = 23803333632.

The previous prime is 71572327483. The next prime is 71572327493. The reversal of 71572327488 is 88472327517.

71572327488 is a `hidden beast` number, since 7 + 1 + 572 + 3 + 27 + 48 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (71572327483) and next prime (71572327493).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (71572327483) by changing a digit.

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, 718756 + ... + 812252.

Almost surely, 2^71572327488 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 71572327488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105443304480).

71572327488 is an abundant number, since it is smaller than the sum of its proper divisors (139314281472).

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

71572327488 is a wasteful number, since it uses less digits than its factorization.

71572327488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93961 (or 93945 counting only the distinct ones).

The product of its digits is 5268480, while the sum is 54.

The spelling of 71572327488 in words is "seventy-one billion, five hundred seventy-two million, three hundred twenty-seven thousand, four hundred eighty-eight".