6769009 has 16 divisors (see below), whose sum is σ = 7817040. Its totient is φ = 5806080.

The previous prime is 6769003. The next prime is 6769013. The reversal of 6769009 is 9009676.

It can be written as a sum of positive squares in 8 ways, for example, as 138384 + 6630625 = 372^2 + 2575^2 .

It is a cyclic number.

It is not a de Polignac number, because 6769009 - 2²¹ = 4671857 is a prime.

It is a Duffinian number.

6769009 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6769003) 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, 23949 + ... + 24229.

It is an arithmetic number, because the mean of its divisors is an integer number (488565).

Almost surely, 2^6769009 is an apocalyptic number.

It is an amenable number.

6769009 is a deficient number, since it is larger than the sum of its proper divisors (1048031).

6769009 is a wasteful number, since it uses less digits than its factorization.

6769009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420.

The product of its (nonzero) digits is 20412, while the sum is 37.

The square root of 6769009 is about 2601.7319231620. The cubic root of 6769009 is about 189.1653974268.

The spelling of 6769009 in words is "six million, seven hundred sixty-nine thousand, nine".