71923724522 has 16 divisors (see below), whose sum is σ = 116233996032. Its totient is φ = 33181417200.

The previous prime is 71923724507. The next prime is 71923724527. The reversal of 71923724522 is 22542732917.

It is not an unprimeable number, because it can be changed into a prime (71923724527) 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, 527198 + ... + 649449.

It is an arithmetic number, because the mean of its divisors is an integer number (7264624752).

Almost surely, 2^71923724522 is an apocalyptic number.

71923724522 is a deficient number, since it is larger than the sum of its proper divisors (44310271510).

71923724522 is a wasteful number, since it uses less digits than its factorization.

71923724522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1179013.

The product of its digits is 423360, while the sum is 44.

The spelling of 71923724522 in words is "seventy-one billion, nine hundred twenty-three million, seven hundred twenty-four thousand, five hundred twenty-two".