327731040 has 576 divisors, whose sum is σ = 1433158272. Its totient is φ = 66355200.

The previous prime is 327731021. The next prime is 327731051. The reversal of 327731040 is 40137723.

It is a junction number, because it is equal to n+sod(n) for n = 327730995 and 327731013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5372610 + ... + 5372670.

It is an arithmetic number, because the mean of its divisors is an integer number (2488122).

Almost surely, 2^327731040 is an apocalyptic number.

327731040 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 327731040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (716579136).

327731040 is an abundant number, since it is smaller than the sum of its proper divisors (1105427232).

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

327731040 is a wasteful number, since it uses less digits than its factorization.

327731040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143 (or 132 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 327731040 is about 18103.3433376269. The cubic root of 327731040 is about 689.4548939866.

Adding to 327731040 its reverse (40137723), we get a palindrome (367868763).

The spelling of 327731040 in words is "three hundred twenty-seven million, seven hundred thirty-one thousand, forty".