6740605 has 16 divisors (see below), whose sum is σ = 8382528. Its totient is φ = 5200000.

The previous prime is 6740597. The next prime is 6740647. The reversal of 6740605 is 5060476.

It is not a de Polignac number, because 6740605 - 2³ = 6740597 is a prime.

It is a Duffinian number.

6740605 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26730 + ... + 26980.

It is an arithmetic number, because the mean of its divisors is an integer number (523908).

Almost surely, 2^6740605 is an apocalyptic number.

It is an amenable number.

6740605 is a deficient number, since it is larger than the sum of its proper divisors (1641923).

6740605 is a wasteful number, since it uses less digits than its factorization.

6740605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 6740605 is about 2596.2675131812. The cubic root of 6740605 is about 188.9004356007.

The spelling of 6740605 in words is "six million, seven hundred forty thousand, six hundred five".