6670945 has 8 divisors (see below), whose sum is σ = 8175744. Its totient is φ = 5223024.

The previous prime is 6670933. The next prime is 6670967. The reversal of 6670945 is 5490766.

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

It is a cyclic number.

It is not a de Polignac number, because 6670945 - 2¹³ = 6662753 is a prime.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 13959 + ... + 14428.

It is an arithmetic number, because the mean of its divisors is an integer number (1021968).

Almost surely, 2^6670945 is an apocalyptic number.

It is an amenable number.

6670945 is a deficient number, since it is larger than the sum of its proper divisors (1504799).

6670945 is a wasteful number, since it uses less digits than its factorization.

6670945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28439.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 6670945 is about 2582.8172602799. The cubic root of 6670945 is about 188.2474578250.

The spelling of 6670945 in words is "six million, six hundred seventy thousand, nine hundred forty-five".