32721970848 has 192 divisors, whose sum is σ = 104751037440. Its totient is φ = 8735496192.

The previous prime is 32721970759. The next prime is 32721970871. The reversal of 32721970848 is 84807912723.

It is a self number, because there is not a number n which added to its sum of digits gives 32721970848.

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 31 ways as a sum of consecutive naturals, for example, 914511 + ... + 949617.

It is an arithmetic number, because the mean of its divisors is an integer number (545578320).

Almost surely, 2^32721970848 is an apocalyptic number.

32721970848 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32721970848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52375518720).

32721970848 is an abundant number, since it is smaller than the sum of its proper divisors (72029066592).

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

32721970848 is a wasteful number, since it uses less digits than its factorization.

32721970848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35219 (or 35211 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 51.

The spelling of 32721970848 in words is "thirty-two billion, seven hundred twenty-one million, nine hundred seventy thousand, eight hundred forty-eight".