6745885 has 4 divisors (see below), whose sum is σ = 8095068. Its totient is φ = 5396704.

The previous prime is 6745873. The next prime is 6745897. The reversal of 6745885 is 5885476.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (6745873) and next prime (6745897).

It can be written as a sum of positive squares in 2 ways, for example, as 3319684 + 3426201 = 1822^2 + 1851^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6745885 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 674584 + ... + 674593.

It is an arithmetic number, because the mean of its divisors is an integer number (2023767).

Almost surely, 2^6745885 is an apocalyptic number.

It is an amenable number.

6745885 is a deficient number, since it is larger than the sum of its proper divisors (1349183).

6745885 is a wasteful number, since it uses less digits than its factorization.

6745885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1349182.

The product of its digits is 268800, while the sum is 43.

The square root of 6745885 is about 2597.2841585010. The cubic root of 6745885 is about 188.9497454173.

The spelling of 6745885 in words is "six million, seven hundred forty-five thousand, eight hundred eighty-five".