71607836272 has 160 divisors (see below), whose sum is σ = 173333905920. Its totient is φ = 27973693440.

The previous prime is 71607836263. The next prime is 71607836309. The reversal of 71607836272 is 27263870617.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6363483 + ... + 6374725.

It is an arithmetic number, because the mean of its divisors is an integer number (1083336912).

Almost surely, 2^71607836272 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 71607836272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86666952960).

71607836272 is an abundant number, since it is smaller than the sum of its proper divisors (101726069648).

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

71607836272 is a wasteful number, since it uses less digits than its factorization.

71607836272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11391 (or 11385 counting only the distinct ones).

The product of its (nonzero) digits is 1185408, while the sum is 49.

The spelling of 71607836272 in words is "seventy-one billion, six hundred seven million, eight hundred thirty-six thousand, two hundred seventy-two".