71493133924 has 9 divisors (see below), whose sum is σ = 125113920211. Its totient is φ = 35746299580.

The previous prime is 71493133919. The next prime is 71493133951. The reversal of 71493133924 is 42933139417.

The square root of 71493133924 is 267382.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×71493133924² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 467919 + ... + 601609.

Almost surely, 2^71493133924 is an apocalyptic number.

71493133924 is the 267382-nd square number.

It is an amenable number.

71493133924 is a deficient number, since it is larger than the sum of its proper divisors (53620786287).

71493133924 is an frugal number, since it uses more digits than its factorization.

71493133924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267386 (or 133693 counting only the distinct ones).

The product of its digits is 489888, while the sum is 46.

The spelling of 71493133924 in words is "seventy-one billion, four hundred ninety-three million, one hundred thirty-three thousand, nine hundred twenty-four".