6738769 has 4 divisors (see below), whose sum is σ = 6747300. Its totient is φ = 6730240.

The previous prime is 6738763. The next prime is 6738799. The reversal of 6738769 is 9678376.

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 672400 + 6066369 = 820^2 + 2463^2 .

It is a cyclic number.

It is not a de Polignac number, because 6738769 - 2³ = 6738761 is a prime.

It is a super-2 number, since 2×6738769² = 90822015270722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6738761) 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, 2944 + ... + 4705.

It is an arithmetic number, because the mean of its divisors is an integer number (1686825).

Almost surely, 2^6738769 is an apocalyptic number.

It is an amenable number.

6738769 is a deficient number, since it is larger than the sum of its proper divisors (8531).

6738769 is an equidigital number, since it uses as much as digits as its factorization.

6738769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8530.

The product of its digits is 381024, while the sum is 46.

The square root of 6738769 is about 2595.9139045816. The cubic root of 6738769 is about 188.8832831990.

The spelling of 6738769 in words is "six million, seven hundred thirty-eight thousand, seven hundred sixty-nine".