71282041 has 8 divisors (see below), whose sum is σ = 71970120. Its totient is φ = 70597632.

The previous prime is 71282039. The next prime is 71282069. The reversal of 71282041 is 14028217.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 7617600 + 63664441 = 2760^2 + 7979^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 71282041 - 2¹ = 71282039 is a prime.

It is a super-2 number, since 2×71282041² = 10162258738251362, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 71281997 and 71282015.

It is not an unprimeable number, because it can be changed into a prime (71282021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51231 + ... + 52603.

It is an arithmetic number, because the mean of its divisors is an integer number (8996265).

Almost surely, 2^71282041 is an apocalyptic number.

It is an amenable number.

71282041 is a deficient number, since it is larger than the sum of its proper divisors (688079).

71282041 is a wasteful number, since it uses less digits than its factorization.

71282041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1835.

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 71282041 is about 8442.8692397786. The cubic root of 71282041 is about 414.6293511630.

The spelling of 71282041 in words is "seventy-one million, two hundred eighty-two thousand, forty-one".