8272332728 has 16 divisors (see below), whose sum is σ = 16920680760. Its totient is φ = 3760151200.

The previous prime is 8272332701. The next prime is 8272332773.

8272332728 is nontrivially palindromic in base 10.

It is a super-3 number, since 3×8272332728³ (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47001803 + ... + 47001978.

Almost surely, 2^8272332728 is an apocalyptic number.

8272332728 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

8272332728 is an abundant number, since it is smaller than the sum of its proper divisors (8648348032).

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

8272332728 is a wasteful number, since it uses less digits than its factorization.

8272332728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94003798 (or 94003794 counting only the distinct ones).

The product of its digits is 451584, while the sum is 44.

The square root of 8272332728 is about 90952.3651589116. The cubic root of 8272332728 is about 2022.4416385775.

The spelling of 8272332728 in words is "eight billion, two hundred seventy-two million, three hundred thirty-two thousand, seven hundred twenty-eight".