6694480 has 80 divisors (see below), whose sum is σ = 17280144. Its totient is φ = 2396160.

The previous prime is 6694477. The next prime is 6694511. The reversal of 6694480 is 844966.

It can be written as a sum of positive squares in 8 ways, for example, as 2483776 + 4210704 = 1576^2 + 2052^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42562 + ... + 42718.

Almost surely, 2^6694480 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 6694480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8640072).

6694480 is an abundant number, since it is smaller than the sum of its proper divisors (10585664).

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

6694480 is a wasteful number, since it uses less digits than its factorization.

6694480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224 (or 218 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 6694480 is about 2587.3693203716. The cubic root of 6694480 is about 188.4685761210.

The spelling of 6694480 in words is "six million, six hundred ninety-four thousand, four hundred eighty".