6670749 has 16 divisors (see below), whose sum is σ = 9495360. Its totient is φ = 4151040.

The previous prime is 6670709. The next prime is 6670751. The reversal of 6670749 is 9470766.

It is not a de Polignac number, because 6670749 - 2¹⁹ = 6146461 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6670709) 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, 6619 + ... + 7559.

It is an arithmetic number, because the mean of its divisors is an integer number (593460).

Almost surely, 2^6670749 is an apocalyptic number.

It is an amenable number.

6670749 is a deficient number, since it is larger than the sum of its proper divisors (2824611).

6670749 is a wasteful number, since it uses less digits than its factorization.

6670749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100.

The product of its (nonzero) digits is 63504, while the sum is 39.

The square root of 6670749 is about 2582.7793169375. The cubic root of 6670749 is about 188.2456141650.

The spelling of 6670749 in words is "six million, six hundred seventy thousand, seven hundred forty-nine".