327166728 has 192 divisors, whose sum is σ = 1000172160. Its totient is φ = 88833024.

The previous prime is 327166711. The next prime is 327166733. The reversal of 327166728 is 827661723.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 327166728.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3176325 + ... + 3176427.

It is an arithmetic number, because the mean of its divisors is an integer number (5209230).

Almost surely, 2^327166728 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 327166728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (500086080).

327166728 is an abundant number, since it is smaller than the sum of its proper divisors (673005432).

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

327166728 is a wasteful number, since it uses less digits than its factorization.

327166728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236 (or 225 counting only the distinct ones).

The product of its digits is 169344, while the sum is 42.

The square root of 327166728 is about 18087.7507722768. The cubic root of 327166728 is about 689.0589481802.

The spelling of 327166728 in words is "three hundred twenty-seven million, one hundred sixty-six thousand, seven hundred twenty-eight".