6709749 has 4 divisors (see below), whose sum is σ = 8946336. Its totient is φ = 4473164.

The previous prime is 6709727. The next prime is 6709751. The reversal of 6709749 is 9479076.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6709749 is a prime.

It is a D-number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6709749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6709789) 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 3 ways as a sum of consecutive naturals, for example, 1118289 + ... + 1118294.

It is an arithmetic number, because the mean of its divisors is an integer number (2236584).

Almost surely, 2^6709749 is an apocalyptic number.

It is an amenable number.

6709749 is a deficient number, since it is larger than the sum of its proper divisors (2236587).

6709749 is a wasteful number, since it uses less digits than its factorization.

6709749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2236586.

The product of its (nonzero) digits is 95256, while the sum is 42.

The square root of 6709749 is about 2590.3183202070. The cubic root of 6709749 is about 188.6117558543.

The spelling of 6709749 in words is "six million, seven hundred nine thousand, seven hundred forty-nine".