6632780 has 96 divisors (see below), whose sum is σ = 17902080. Its totient is φ = 2004480.

The previous prime is 6632777. The next prime is 6632789. The reversal of 6632780 is 872366.

It is not an unprimeable number, because it can be changed into a prime (6632789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 90824 + ... + 90896.

It is an arithmetic number, because the mean of its divisors is an integer number (186480).

Almost surely, 2^6632780 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 6632780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8951040).

6632780 is an abundant number, since it is smaller than the sum of its proper divisors (11269300).

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

6632780 is a wasteful number, since it uses less digits than its factorization.

6632780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159 (or 157 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 6632780 is about 2575.4184126079. The cubic root of 6632780 is about 187.8877782042.

It can be divided in two parts, 663 and 2780, that added together give a palindrome (3443).

The spelling of 6632780 in words is "six million, six hundred thirty-two thousand, seven hundred eighty".