6870920 has 64 divisors (see below), whose sum is σ = 18040320. Its totient is φ = 2306304.

The previous prime is 6870911. The next prime is 6870931. The reversal of 6870920 is 290786.

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, 14609 + ... + 15071.

It is an arithmetic number, because the mean of its divisors is an integer number (281880).

Almost surely, 2^6870920 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 6870920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9020160).

6870920 is an abundant number, since it is smaller than the sum of its proper divisors (11169400).

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

6870920 is a wasteful number, since it uses less digits than its factorization.

6870920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534 (or 530 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 6870920 is about 2621.2439794876. The cubic root of 6870920 is about 190.1100009377.

The spelling of 6870920 in words is "six million, eight hundred seventy thousand, nine hundred twenty".