71432221825 has 12 divisors (see below), whose sum is σ = 92427084288. Its totient is φ = 54661178000.

The previous prime is 71432221813. The next prime is 71432221831. The reversal of 71432221825 is 52812223417.

It is a de Polignac number, because none of the positive numbers 2^k-71432221825 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62114401 + ... + 62115550.

It is an arithmetic number, because the mean of its divisors is an integer number (7702257024).

Almost surely, 2^71432221825 is an apocalyptic number.

It is an amenable number.

71432221825 is a deficient number, since it is larger than the sum of its proper divisors (20994862463).

71432221825 is a wasteful number, since it uses less digits than its factorization.

71432221825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124229984 (or 124229979 counting only the distinct ones).

The product of its digits is 53760, while the sum is 37.

The spelling of 71432221825 in words is "seventy-one billion, four hundred thirty-two million, two hundred twenty-one thousand, eight hundred twenty-five".