71443282 has 16 divisors (see below), whose sum is σ = 117130752. Its totient is φ = 32535360.

The previous prime is 71443247. The next prime is 71443283. The reversal of 71443282 is 28234417.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (71443283) 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, 32838 + ... + 34945.

It is an arithmetic number, because the mean of its divisors is an integer number (7320672).

Almost surely, 2^71443282 is an apocalyptic number.

71443282 is a deficient number, since it is larger than the sum of its proper divisors (45687470).

71443282 is a wasteful number, since it uses less digits than its factorization.

71443282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67833.

The product of its digits is 10752, while the sum is 31.

The square root of 71443282 is about 8452.4127916235. The cubic root of 71443282 is about 414.9417482471.

Adding to 71443282 its reverse (28234417), we get a palindrome (99677699).

The spelling of 71443282 in words is "seventy-one million, four hundred forty-three thousand, two hundred eighty-two".