327780 has 48 divisors (see below), whose sum is σ = 1021440. Its totient is φ = 87264.

The previous prime is 327779. The next prime is 327797. The reversal of 327780 is 87723.

327780 is nontrivially palindromic in base 13.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 237 + ... + 843.

It is an arithmetic number, because the mean of its divisors is an integer number (21280).

2³²⁷⁷⁸⁰ is an apocalyptic number.

327780 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 327780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (510720).

327780 is an abundant number, since it is smaller than the sum of its proper divisors (693660).

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

327780 is a wasteful number, since it uses less digits than its factorization.

327780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625 (or 617 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 327780 is about 572.5207419823. The cubic root of 327780 is about 68.9489225015.

The spelling of 327780 in words is "three hundred twenty-seven thousand, seven hundred eighty".