6738765 has 16 divisors (see below), whose sum is σ = 11762496. Its totient is φ = 3267200.

The previous prime is 6738763. The next prime is 6738799. The reversal of 6738765 is 5678376.

It is not a de Polignac number, because 6738765 - 2¹ = 6738763 is a prime.

It is a Curzon number.

6738765 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6738761) 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 15 ways as a sum of consecutive naturals, for example, 20256 + ... + 20585.

It is an arithmetic number, because the mean of its divisors is an integer number (735156).

Almost surely, 2^6738765 is an apocalyptic number.

It is an amenable number.

6738765 is a deficient number, since it is larger than the sum of its proper divisors (5023731).

6738765 is a wasteful number, since it uses less digits than its factorization.

6738765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40860.

The product of its digits is 211680, while the sum is 42.

The square root of 6738765 is about 2595.9131341399. The cubic root of 6738765 is about 188.8832458265.

It can be divided in two parts, 6738 and 765, that added together give a triangular number (7503 = T₁₂₂).

The spelling of 6738765 in words is "six million, seven hundred thirty-eight thousand, seven hundred sixty-five".