6706428 has 12 divisors (see below), whose sum is σ = 15648360. Its totient is φ = 2235472.

The previous prime is 6706423. The next prime is 6706459. The reversal of 6706428 is 8246076.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6706421) by changing a digit.

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, 279423 + ... + 279446.

It is an arithmetic number, because the mean of its divisors is an integer number (1304030).

Almost surely, 2^6706428 is an apocalyptic number.

It is an amenable number.

6706428 is an abundant number, since it is smaller than the sum of its proper divisors (8941932).

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

6706428 is a wasteful number, since it uses less digits than its factorization.

6706428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558876 (or 558874 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 6706428 is about 2589.6771999614. The cubic root of 6706428 is about 188.5806328316.

The spelling of 6706428 in words is "six million, seven hundred six thousand, four hundred twenty-eight".