6630280 has 32 divisors (see below), whose sum is σ = 15402240. Its totient is φ = 2566080.

The previous prime is 6630277. The next prime is 6630287. The reversal of 6630280 is 820366.

It is a super-2 number, since 2×6630280² = 87921225756800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6630287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1434 + ... + 3913.

It is an arithmetic number, because the mean of its divisors is an integer number (481320).

Almost surely, 2^6630280 is an apocalyptic number.

It is an amenable number.

6630280 is an abundant number, since it is smaller than the sum of its proper divisors (8771960).

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

6630280 is a wasteful number, since it uses less digits than its factorization.

6630280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5389 (or 5385 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 6630280 is about 2574.9330088373. The cubic root of 6630280 is about 187.8641692764.

The spelling of 6630280 in words is "six million, six hundred thirty thousand, two hundred eighty".