71442323132 has 12 divisors (see below), whose sum is σ = 132378422400. Its totient is φ = 33619916736.

The previous prime is 71442323119. The next prime is 71442323137. The reversal of 71442323132 is 23132324417.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71442323137) 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 3 ways as a sum of consecutive naturals, for example, 525311132 + ... + 525311267.

It is an arithmetic number, because the mean of its divisors is an integer number (11031535200).

Almost surely, 2^71442323132 is an apocalyptic number.

It is an amenable number.

71442323132 is a deficient number, since it is larger than the sum of its proper divisors (60936099268).

71442323132 is a wasteful number, since it uses less digits than its factorization.

71442323132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1050622420 (or 1050622418 counting only the distinct ones).

The product of its digits is 24192, while the sum is 32.

Adding to 71442323132 its reverse (23132324417), we get a palindrome (94574647549).

The spelling of 71442323132 in words is "seventy-one billion, four hundred forty-two million, three hundred twenty-three thousand, one hundred thirty-two".