6755009 has 4 divisors (see below), whose sum is σ = 6882516. Its totient is φ = 6627504.

The previous prime is 6754991. The next prime is 6755029. The reversal of 6755009 is 9005576.

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

It can be written as a sum of positive squares in 2 ways, for example, as 6225025 + 529984 = 2495^2 + 728^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6755009 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6755029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63674 + ... + 63779.

It is an arithmetic number, because the mean of its divisors is an integer number (1720629).

Almost surely, 2^6755009 is an apocalyptic number.

It is an amenable number.

6755009 is a deficient number, since it is larger than the sum of its proper divisors (127507).

6755009 is a wasteful number, since it uses less digits than its factorization.

6755009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127506.

The product of its (nonzero) digits is 9450, while the sum is 32.

The square root of 6755009 is about 2599.0400150825. The cubic root of 6755009 is about 189.0348936629.

The spelling of 6755009 in words is "six million, seven hundred fifty-five thousand, nine".