6705240 has 64 divisors (see below), whose sum is σ = 20424960. Its totient is φ = 1760640.

The previous prime is 6705229. The next prime is 6705247. The reversal of 6705240 is 425076.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 6705240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6705247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8127 + ... + 8913.

It is an arithmetic number, because the mean of its divisors is an integer number (319140).

Almost surely, 2^6705240 is an apocalyptic number.

6705240 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6705240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10212480).

6705240 is an abundant number, since it is smaller than the sum of its proper divisors (13719720).

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

6705240 is a wasteful number, since it uses less digits than its factorization.

6705240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872 (or 868 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 6705240 is about 2589.4478175858. The cubic root of 6705240 is about 188.5694968974.

The spelling of 6705240 in words is "six million, seven hundred five thousand, two hundred forty".