6705789 has 8 divisors (see below), whose sum is σ = 9023520. Its totient is φ = 4429296.

The previous prime is 6705779. The next prime is 6705793. The reversal of 6705789 is 9875076.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6705789 - 2⁴ = 6705773 is a prime.

It is a super-2 number, since 2×6705789² = 89935212225042, which contains 22 as substring.

6705789 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 6705789.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6705749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9927 + ... + 10580.

It is an arithmetic number, because the mean of its divisors is an integer number (1127940).

Almost surely, 2^6705789 is an apocalyptic number.

It is an amenable number.

6705789 is a deficient number, since it is larger than the sum of its proper divisors (2317731).

6705789 is a wasteful number, since it uses less digits than its factorization.

6705789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20619.

The product of its (nonzero) digits is 105840, while the sum is 42.

The square root of 6705789 is about 2589.5538225725. The cubic root of 6705789 is about 188.5746432123.

The spelling of 6705789 in words is "six million, seven hundred five thousand, seven hundred eighty-nine".