6662756 has 6 divisors (see below), whose sum is σ = 11659830. Its totient is φ = 3331376.

The previous prime is 6662753. The next prime is 6662771. The reversal of 6662756 is 6572666.

It can be written as a sum of positive squares in only one way, i.e., 6584356 + 78400 = 2566^2 + 280^2 .

It is not an unprimeable number, because it can be changed into a prime (6662753) by changing a digit.

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 as a sum of consecutive naturals, namely, 832841 + ... + 832848.

It is an arithmetic number, because the mean of its divisors is an integer number (1943305).

Almost surely, 2^6662756 is an apocalyptic number.

It is an amenable number.

6662756 is a deficient number, since it is larger than the sum of its proper divisors (4997074).

6662756 is a wasteful number, since it uses less digits than its factorization.

6662756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1665693 (or 1665691 counting only the distinct ones).

The product of its digits is 90720, while the sum is 38.

The square root of 6662756 is about 2581.2314890377. The cubic root of 6662756 is about 188.1703977958.

The spelling of 6662756 in words is "six million, six hundred sixty-two thousand, seven hundred fifty-six".