327640740 has 96 divisors (see below), whose sum is σ = 1050948864. Its totient is φ = 74711040.

The previous prime is 327640679. The next prime is 327640751. The reversal of 327640740 is 47046723.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 268612 + ... + 269828.

It is an arithmetic number, because the mean of its divisors is an integer number (10947384).

Almost surely, 2^327640740 is an apocalyptic number.

327640740 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 327640740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (525474432).

327640740 is an abundant number, since it is smaller than the sum of its proper divisors (723308124).

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

327640740 is a wasteful number, since it uses less digits than its factorization.

327640740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1877 (or 1875 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 33.

The square root of 327640740 is about 18100.8491513520. The cubic root of 327640740 is about 689.3915661474.

The spelling of 327640740 in words is "three hundred twenty-seven million, six hundred forty thousand, seven hundred forty".