6668752 has 10 divisors (see below), whose sum is σ = 12920738. Its totient is φ = 3334368.

The previous prime is 6668747. The next prime is 6668759. The reversal of 6668752 is 2578666.

It can be written as a sum of positive squares in only one way, i.e., 3370896 + 3297856 = 1836^2 + 1816^2 .

It is a super-3 number, since 3×6668752³ (a number of 21 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6668759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 208383 + ... + 208414.

Almost surely, 2^6668752 is an apocalyptic number.

It is an amenable number.

6668752 is a deficient number, since it is larger than the sum of its proper divisors (6251986).

6668752 is a wasteful number, since it uses less digits than its factorization.

6668752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416805 (or 416799 counting only the distinct ones).

The product of its digits is 120960, while the sum is 40.

The square root of 6668752 is about 2582.3926889612. The cubic root of 6668752 is about 188.2268274684.

The spelling of 6668752 in words is "six million, six hundred sixty-eight thousand, seven hundred fifty-two".