6680578 has 8 divisors (see below), whose sum is σ = 10031868. Its totient is φ = 3336624.

The previous prime is 6680567. The next prime is 6680579. The reversal of 6680578 is 8750866.

It can be written as a sum of positive squares in 2 ways, for example, as 6385729 + 294849 = 2527^2 + 543^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 6680578.

It is not an unprimeable number, because it can be changed into a prime (6680579) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2400 + ... + 4372.

Almost surely, 2^6680578 is an apocalyptic number.

6680578 is a deficient number, since it is larger than the sum of its proper divisors (3351290).

6680578 is a wasteful number, since it uses less digits than its factorization.

6680578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3668.

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 6680578 is about 2584.6814117024. The cubic root of 6680578 is about 188.3380254833.

The spelling of 6680578 in words is "six million, six hundred eighty thousand, five hundred seventy-eight".