3272269728 has 384 divisors, whose sum is σ = 11206508544. Its totient is φ = 812851200.

The previous prime is 3272269711. The next prime is 3272269729. The reversal of 3272269728 is 8279622723.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (3272269729) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11644948 + ... + 11645228.

It is an arithmetic number, because the mean of its divisors is an integer number (29183616).

Almost surely, 2^3272269728 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 3272269728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5603254272).

3272269728 is an abundant number, since it is smaller than the sum of its proper divisors (7934238816).

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

3272269728 is a wasteful number, since it uses less digits than its factorization.

3272269728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388 (or 380 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 48.

The square root of 3272269728 is about 57203.7562403030. The cubic root of 3272269728 is about 1484.6236169309.

The spelling of 3272269728 in words is "three billion, two hundred seventy-two million, two hundred sixty-nine thousand, seven hundred twenty-eight".