6642330 has 16 divisors (see below), whose sum is σ = 15941664. Its totient is φ = 1771280.

The previous prime is 6642329. The next prime is 6642341. The reversal of 6642330 is 332466.

It is a self number, because there is not a number n which added to its sum of digits gives 6642330.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110676 + ... + 110735.

It is an arithmetic number, because the mean of its divisors is an integer number (996354).

Almost surely, 2^6642330 is an apocalyptic number.

6642330 is an abundant number, since it is smaller than the sum of its proper divisors (9299334).

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

6642330 is a wasteful number, since it uses less digits than its factorization.

6642330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221421.

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 6642330 is about 2577.2718133717. The cubic root of 6642330 is about 187.9779097328.

Adding to 6642330 its reverse (332466), we get a palindrome (6974796).

The spelling of 6642330 in words is "six million, six hundred forty-two thousand, three hundred thirty".