It is a tau number, because it is divible by the number of its divisors (72).
It is a congruent number.
It is an unprimeable number.
71136 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
271136 is an apocalyptic number.
71136 is a gapful number since it is divisible by the number (76) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 71136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114660).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71136 is a wasteful number, since it uses less digits than its factorization.
71136 is an odious number, because the sum of its binary digits is odd.
The square root of 71136 is about 266.7133292507. The cubic root of 71136 is about 41.4345996550.
The spelling of 71136 in words is "seventy-one thousand, one hundred thirty-six".