6705440 has 48 divisors (see below), whose sum is σ = 18107712. Its totient is φ = 2298624.

The previous prime is 6705389. The next prime is 6705449. The reversal of 6705440 is 445076.

It is not an unprimeable number, because it can be changed into a prime (6705449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1874 + ... + 4113.

It is an arithmetic number, because the mean of its divisors is an integer number (377244).

Almost surely, 2^6705440 is an apocalyptic number.

It is an amenable number.

6705440 is an abundant number, since it is smaller than the sum of its proper divisors (11402272).

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

6705440 is a wasteful number, since it uses less digits than its factorization.

6705440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6009 (or 6001 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 6705440 is about 2589.4864355698. The cubic root of 6705440 is about 188.5713717259.

The spelling of 6705440 in words is "six million, seven hundred five thousand, four hundred forty".