71442322 has 16 divisors (see below), whose sum is σ = 122596992. Its totient is φ = 30587040.

The previous prime is 71442317. The next prime is 71442331. The reversal of 71442322 is 22324417.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16563 + ... + 20425.

It is an arithmetic number, because the mean of its divisors is an integer number (7662312).

Almost surely, 2^71442322 is an apocalyptic number.

71442322 is a deficient number, since it is larger than the sum of its proper divisors (51154670).

71442322 is a wasteful number, since it uses less digits than its factorization.

71442322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5193.

The product of its digits is 2688, while the sum is 25.

The square root of 71442322 is about 8452.3560029142. The cubic root of 71442322 is about 414.9398896825.

Adding to 71442322 its reverse (22324417), we get a palindrome (93766739).

The spelling of 71442322 in words is "seventy-one million, four hundred forty-two thousand, three hundred twenty-two".