6670520 has 64 divisors (see below), whose sum is σ = 16156800. Its totient is φ = 2471040.

The previous prime is 6670513. The next prime is 6670537. The reversal of 6670520 is 250766.

It is a self number, because there is not a number n which added to its sum of digits gives 6670520.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 50855 + ... + 50985.

It is an arithmetic number, because the mean of its divisors is an integer number (252450).

Almost surely, 2^6670520 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 6670520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8078400).

6670520 is an abundant number, since it is smaller than the sum of its proper divisors (9486280).

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

6670520 is a wasteful number, since it uses less digits than its factorization.

6670520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228 (or 224 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 6670520 is about 2582.7349844690. The cubic root of 6670520 is about 188.2434600471.

The spelling of 6670520 in words is "six million, six hundred seventy thousand, five hundred twenty".