71179894432 has 24 divisors (see below), whose sum is σ = 140141383200. Its totient is φ = 35588432064.

The previous prime is 71179894367. The next prime is 71179894453. The reversal of 71179894432 is 23449897117.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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, 1355319 + ... + 1406857.

It is an arithmetic number, because the mean of its divisors is an integer number (5839224300).

Almost surely, 2^71179894432 is an apocalyptic number.

It is an amenable number.

71179894432 is a deficient number, since it is larger than the sum of its proper divisors (68961488768).

71179894432 is a wasteful number, since it uses less digits than its factorization.

71179894432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94708 (or 94700 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 55.

The spelling of 71179894432 in words is "seventy-one billion, one hundred seventy-nine million, eight hundred ninety-four thousand, four hundred thirty-two".