6740709 has 4 divisors (see below), whose sum is σ = 8987616. Its totient is φ = 4493804.

The previous prime is 6740707. The next prime is 6740711. The reversal of 6740709 is 9070476.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (6740707) and next prime (6740711).

It is a cyclic number.

It is not a de Polignac number, because 6740709 - 2¹ = 6740707 is a prime.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 6740709.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6740707) 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, 1123449 + ... + 1123454.

It is an arithmetic number, because the mean of its divisors is an integer number (2246904).

Almost surely, 2^6740709 is an apocalyptic number.

It is an amenable number.

6740709 is a deficient number, since it is larger than the sum of its proper divisors (2246907).

6740709 is a wasteful number, since it uses less digits than its factorization.

6740709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2246906.

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 6740709 is about 2596.2875418566. The cubic root of 6740709 is about 188.9014071032.

The spelling of 6740709 in words is "six million, seven hundred forty thousand, seven hundred nine".