6870220 has 48 divisors (see below), whose sum is σ = 17031168. Its totient is φ = 2278080.

The previous prime is 6870181. The next prime is 6870233. The reversal of 6870220 is 220786.

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, 3549 + ... + 5131.

It is an arithmetic number, because the mean of its divisors is an integer number (354816).

Almost surely, 2^6870220 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 6870220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8515584).

6870220 is an abundant number, since it is smaller than the sum of its proper divisors (10160948).

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

6870220 is a wasteful number, since it uses less digits than its factorization.

6870220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1630 (or 1628 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 6870220 is about 2621.1104516979. The cubic root of 6870220 is about 190.1035446688.

The spelling of 6870220 in words is "six million, eight hundred seventy thousand, two hundred twenty".