6705920 has 108 divisors (see below), whose sum is σ = 17954496. Its totient is φ = 2396160.

The previous prime is 6705911. The next prime is 6705977. The reversal of 6705920 is 295076.

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 216305 + ... + 216335.

Almost surely, 2^6705920 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 6705920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8977248).

6705920 is an abundant number, since it is smaller than the sum of its proper divisors (11248576).

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

6705920 is a wasteful number, since it uses less digits than its factorization.

6705920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78 (or 51 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 6705920 is about 2589.5791163817. The cubic root of 6705920 is about 188.5758711621.

The spelling of 6705920 in words is "six million, seven hundred five thousand, nine hundred twenty".