71704725336 has 128 divisors (see below), whose sum is σ = 210387302400. Its totient is φ = 22592545920.

The previous prime is 71704725331. The next prime is 71704725397. The reversal of 71704725336 is 63352740717.

71704725336 is a `hidden beast` number, since 7 + 1 + 70 + 47 + 2 + 533 + 6 = 666.

It is a super-2 number, since 2×71704725336² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 71704725291 and 71704725300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71704725331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 163410 + ... + 412446.

It is an arithmetic number, because the mean of its divisors is an integer number (1643650800).

Almost surely, 2^71704725336 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 71704725336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105193651200).

71704725336 is an abundant number, since it is smaller than the sum of its proper divisors (138682577064).

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

71704725336 is a wasteful number, since it uses less digits than its factorization.

71704725336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249126 (or 249116 counting only the distinct ones).

The product of its (nonzero) digits is 740880, while the sum is 45.

The spelling of 71704725336 in words is "seventy-one billion, seven hundred four million, seven hundred twenty-five thousand, three hundred thirty-six".