6670780 has 12 divisors (see below), whose sum is σ = 14008680. Its totient is φ = 2668304.

The previous prime is 6670771. The next prime is 6670799. The reversal of 6670780 is 870766.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166750 + ... + 166789.

It is an arithmetic number, because the mean of its divisors is an integer number (1167390).

Almost surely, 2^6670780 is an apocalyptic number.

It is an amenable number.

6670780 is an abundant number, since it is smaller than the sum of its proper divisors (7337900).

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

6670780 is a wasteful number, since it uses less digits than its factorization.

6670780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333548 (or 333546 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 6670780 is about 2582.7853182175. The cubic root of 6670780 is about 188.2459057667.

The spelling of 6670780 in words is "six million, six hundred seventy thousand, seven hundred eighty".