6670605 has 16 divisors (see below), whose sum is σ = 10707840. Its totient is φ = 3546048.

The previous prime is 6670603. The next prime is 6670607. The reversal of 6670605 is 5060766.

It is an interprime number because it is at equal distance from previous prime (6670603) and next prime (6670607).

It is not a de Polignac number, because 6670605 - 2¹ = 6670603 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6670603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6079 + ... + 7091.

It is an arithmetic number, because the mean of its divisors is an integer number (669240).

Almost surely, 2^6670605 is an apocalyptic number.

It is an amenable number.

6670605 is a deficient number, since it is larger than the sum of its proper divisors (4037235).

6670605 is a wasteful number, since it uses less digits than its factorization.

6670605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1460.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 6670605 is about 2582.7514398409. The cubic root of 6670605 is about 188.2442596162.

The spelling of 6670605 in words is "six million, six hundred seventy thousand, six hundred five".