6740705 has 8 divisors (see below), whose sum is σ = 8104704. Its totient is φ = 5382000.

The previous prime is 6740659. The next prime is 6740707. The reversal of 6740705 is 5070476.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6740705 - 2²⁰ = 5692129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6740707) 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 7 ways as a sum of consecutive naturals, for example, 2480 + ... + 4430.

It is an arithmetic number, because the mean of its divisors is an integer number (1013088).

Almost surely, 2^6740705 is an apocalyptic number.

It is an amenable number.

6740705 is a deficient number, since it is larger than the sum of its proper divisors (1363999).

6740705 is a wasteful number, since it uses less digits than its factorization.

6740705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2647.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 6740705 is about 2596.2867715258. The cubic root of 6740705 is about 188.9013697379.

The spelling of 6740705 in words is "six million, seven hundred forty thousand, seven hundred five".