6674688 has 54 divisors (see below), whose sum is σ = 19251414. Its totient is φ = 2224128.

The previous prime is 6674683. The next prime is 6674711. The reversal of 6674688 is 8864766.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 4460544 + 2214144 = 2112^2 + 1488^2 .

It is not an unprimeable number, because it can be changed into a prime (6674683) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 856 + ... + 3752.

Almost surely, 2^6674688 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 6674688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9625707).

6674688 is an abundant number, since it is smaller than the sum of its proper divisors (12576726).

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

6674688 is a wasteful number, since it uses less digits than its factorization.

6674688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2919 (or 2902 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 6674688 is about 2583.5417550332. The cubic root of 6674688 is about 188.2826591591.

The spelling of 6674688 in words is "six million, six hundred seventy-four thousand, six hundred eighty-eight".