71036 has 24 divisors (see below), whose sum is σ = 147840. Its totient is φ = 29232.

The previous prime is 71023. The next prime is 71039. The reversal of 71036 is 63017.

It is a super-2 number, since 2×71036² = 10092226592, which contains 22 as substring.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1175 + ... + 1233.

It is an arithmetic number, because the mean of its divisors is an integer number (6160).

2⁷¹⁰³⁶ 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 71036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73920).

71036 is an abundant number, since it is smaller than the sum of its proper divisors (76804).

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

71036 is a wasteful number, since it uses less digits than its factorization.

71036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113 (or 111 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 17.

The square root of 71036 is about 266.5257961249. The cubic root of 71036 is about 41.4151748769.

The spelling of 71036 in words is "seventy-one thousand, thirty-six".