6670990 has 16 divisors (see below), whose sum is σ = 12037248. Its totient is φ = 2661856.

The previous prime is 6670973. The next prime is 6671003. The reversal of 6670990 is 990766.

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, 7299 + ... + 8161.

It is an arithmetic number, because the mean of its divisors is an integer number (752328).

Almost surely, 2^6670990 is an apocalyptic number.

6670990 is a deficient number, since it is larger than the sum of its proper divisors (5366258).

6670990 is a wasteful number, since it uses less digits than its factorization.

6670990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1643.

The product of its (nonzero) digits is 20412, while the sum is 37.

The square root of 6670990 is about 2582.8259716830. The cubic root of 6670990 is about 188.2478811091.

The spelling of 6670990 in words is "six million, six hundred seventy thousand, nine hundred ninety".