6670000 has 100 divisors (see below), whose sum is σ = 17431920. Its totient is φ = 2464000.

The previous prime is 6669983. The next prime is 6670019. The reversal of 6670000 is 766.

It is a tau number, because it is divible by the number of its divisors (100).

It is a self number, because there is not a number n which added to its sum of digits gives 6670000.

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 19 ways as a sum of consecutive naturals, for example, 229986 + ... + 230014.

Almost surely, 2^6670000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6670000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8715960).

6670000 is an abundant number, since it is smaller than the sum of its proper divisors (10761920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6670000 is a wasteful number, since it uses less digits than its factorization.

6670000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80 (or 59 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 6670000 is about 2582.6343140290. The cubic root of 6670000 is about 188.2385684173.

Adding to 6670000 its reverse (766), we get a palindrome (6670766).

The spelling of 6670000 in words is "six million, six hundred seventy thousand".