327769728 has 256 divisors, whose sum is σ = 1052835840. Its totient is φ = 89026560.

The previous prime is 327769723. The next prime is 327769733. The reversal of 327769728 is 827967723.

It is an interprime number because it is at equal distance from previous prime (327769723) and next prime (327769733).

It is not an unprimeable number, because it can be changed into a prime (327769723) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2580801 + ... + 2580927.

It is an arithmetic number, because the mean of its divisors is an integer number (4112640).

Almost surely, 2^327769728 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 327769728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (526417920).

327769728 is an abundant number, since it is smaller than the sum of its proper divisors (725066112).

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

327769728 is a wasteful number, since it uses less digits than its factorization.

327769728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215 (or 203 counting only the distinct ones).

The product of its digits is 1778112, while the sum is 51.

The square root of 327769728 is about 18104.4118380024. The cubic root of 327769728 is about 689.4820225139.

The spelling of 327769728 in words is "three hundred twenty-seven million, seven hundred sixty-nine thousand, seven hundred twenty-eight".