6666752 has 40 divisors (see below), whose sum is σ = 13810500. Its totient is φ = 3211264.

The previous prime is 6666749. The next prime is 6666761. The reversal of 6666752 is 2576666.

It can be written as a sum of positive squares in 2 ways, for example, as 6635776 + 30976 = 2576^2 + 176^2 .

Its product of digits (90720) is a multiple of the sum of its prime divisors (480).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14624 + ... + 15072.

Almost surely, 2^6666752 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6666752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6905250).

6666752 is an abundant number, since it is smaller than the sum of its proper divisors (7143748).

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

6666752 is an equidigital number, since it uses as much as digits as its factorization.

6666752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496 (or 480 counting only the distinct ones).

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

The square root of 6666752 is about 2582.0054221477. The cubic root of 6666752 is about 188.2080087902.

The spelling of 6666752 in words is "six million, six hundred sixty-six thousand, seven hundred fifty-two".