71436716328 has 128 divisors (see below), whose sum is σ = 191961446400. Its totient is φ = 22073465856.

The previous prime is 71436716327. The next prime is 71436716333. The reversal of 71436716328 is 82361763417.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (71436716327) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14276275 + ... + 14281277.

It is an arithmetic number, because the mean of its divisors is an integer number (1499698800).

Almost surely, 2^71436716328 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 71436716328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95980723200).

71436716328 is an abundant number, since it is smaller than the sum of its proper divisors (120524730072).

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

71436716328 is a wasteful number, since it uses less digits than its factorization.

71436716328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5551 (or 5547 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 48.

The spelling of 71436716328 in words is "seventy-one billion, four hundred thirty-six million, seven hundred sixteen thousand, three hundred twenty-eight".