71074431742 has 32 divisors (see below), whose sum is σ = 115166930112. Its totient is φ = 32771741184.

The previous prime is 71074431721. The next prime is 71074431761. The reversal of 71074431742 is 24713447017.

It is a junction number, because it is equal to n+sod(n) for n = 71074431695 and 71074431704.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1338063 + ... + 1390165.

It is an arithmetic number, because the mean of its divisors is an integer number (3598966566).

Almost surely, 2^71074431742 is an apocalyptic number.

71074431742 is a deficient number, since it is larger than the sum of its proper divisors (44092498370).

71074431742 is a wasteful number, since it uses less digits than its factorization.

71074431742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52932.

The product of its (nonzero) digits is 131712, while the sum is 40.

Adding to 71074431742 its reverse (24713447017), we get a palindrome (95787878759).

The spelling of 71074431742 in words is "seventy-one billion, seventy-four million, four hundred thirty-one thousand, seven hundred forty-two".