71282 has 8 divisors (see below), whose sum is σ = 110700. Its totient is φ = 34384.
The previous prime is 71263. The next prime is 71287. The reversal of 71282 is 28217.
It can be written as a sum of positive squares in 2 ways, for example, as 63001 + 8281 = 251^2 + 91^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×712822 = 10162247048, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (71287) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 557 + ... + 672.
271282 is an apocalyptic number.
71282 is a deficient number, since it is larger than the sum of its proper divisors (39418).
71282 is a wasteful number, since it uses less digits than its factorization.
71282 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1260.
The product of its digits is 224, while the sum is 20.
The square root of 71282 is about 266.9868910640. The cubic root of 71282 is about 41.4629271667.
Adding to 71282 its reverse (28217), we get a palindrome (99499).
It can be divided in two parts, 71 and 282, that added together give a palindrome (353).
The spelling of 71282 in words is "seventy-one thousand, two hundred eighty-two".
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