6327640 has 64 divisors (see below), whose sum is σ = 15824160. Its totient is φ = 2257920.

The previous prime is 6327631. The next prime is 6327641. The reversal of 6327640 is 467236.

It is a junction number, because it is equal to n+sod(n) for n = 6327599 and 6327608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6327641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32022 + ... + 32218.

Almost surely, 2^6327640 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 6327640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7912080).

6327640 is an abundant number, since it is smaller than the sum of its proper divisors (9496520).

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

6327640 is a wasteful number, since it uses less digits than its factorization.

6327640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292 (or 288 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 6327640 is about 2515.4800734651. The cubic root of 6327640 is about 184.9611800699.

The spelling of 6327640 in words is "six million, three hundred twenty-seven thousand, six hundred forty".