6642670 has 16 divisors (see below), whose sum is σ = 12035808. Its totient is φ = 2639520.

The previous prime is 6642659. The next prime is 6642707. The reversal of 6642670 is 762466.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 546 + ... + 3685.

It is an arithmetic number, because the mean of its divisors is an integer number (752238).

Almost surely, 2^6642670 is an apocalyptic number.

6642670 is a deficient number, since it is larger than the sum of its proper divisors (5393138).

6642670 is a wasteful number, since it uses less digits than its factorization.

6642670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4395.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 6642670 is about 2577.3377737503. The cubic root of 6642670 is about 187.9811170109.

The spelling of 6642670 in words is "six million, six hundred forty-two thousand, six hundred seventy".