6978706 has 16 divisors (see below), whose sum is σ = 12484224. Its totient is φ = 2860704.

The previous prime is 6978703. The next prime is 6978707. The reversal of 6978706 is 6078796.

It is not an unprimeable number, because it can be changed into a prime (6978703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10515 + ... + 11158.

It is an arithmetic number, because the mean of its divisors is an integer number (780264).

Almost surely, 2^6978706 is an apocalyptic number.

6978706 is a deficient number, since it is larger than the sum of its proper divisors (5505518).

6978706 is a wasteful number, since it uses less digits than its factorization.

6978706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21705.

The product of its (nonzero) digits is 127008, while the sum is 43.

The square root of 6978706 is about 2641.7240582620. The cubic root of 6978706 is about 191.0989500354.

The spelling of 6978706 in words is "six million, nine hundred seventy-eight thousand, seven hundred six".