8732447256 has 128 divisors (see below), whose sum is σ = 25566770880. Its totient is φ = 2460450816.

The previous prime is 8732447249. The next prime is 8732447281. The reversal of 8732447256 is 6527442378.

It is a congruent 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 31 ways as a sum of consecutive naturals, for example, 174000 + ... + 218496.

Almost surely, 2^8732447256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8732447256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12783385440).

8732447256 is an abundant number, since it is smaller than the sum of its proper divisors (16834323624).

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

8732447256 is a wasteful number, since it uses less digits than its factorization.

8732447256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44573 (or 44569 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 48.

The square root of 8732447256 is about 93447.5642058154. The cubic root of 8732447256 is about 2059.2638252999.

The spelling of 8732447256 in words is "eight billion, seven hundred thirty-two million, four hundred forty-seven thousand, two hundred fifty-six".