32447122572 has 24 divisors (see below), whose sum is σ = 75756703792. Its totient is φ = 10809028800.

The previous prime is 32447122531. The next prime is 32447122597. The reversal of 32447122572 is 27522174423.

It is a self number, because there is not a number n which added to its sum of digits gives 32447122572.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 814579 + ... + 853482.

Almost surely, 2^32447122572 is an apocalyptic number.

It is an amenable number.

32447122572 is an abundant number, since it is smaller than the sum of its proper divisors (43309581220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

32447122572 is a wasteful number, since it uses less digits than its factorization.

32447122572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1669689 (or 1669687 counting only the distinct ones).

The product of its digits is 188160, while the sum is 39.

Adding to 32447122572 its reverse (27522174423), we get a palindrome (59969296995).

The spelling of 32447122572 in words is "thirty-two billion, four hundred forty-seven million, one hundred twenty-two thousand, five hundred seventy-two".