6664033 has 8 divisors (see below), whose sum is σ = 6882408. Its totient is φ = 6447744.

The previous prime is 6664027. The next prime is 6664069. The reversal of 6664033 is 3304666.

It can be written as a sum of positive squares in 4 ways, for example, as 253009 + 6411024 = 503^2 + 2532^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6664033 - 2¹⁷ = 6532961 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6663992 and 6664010.

It is not an unprimeable number, because it can be changed into a prime (6664093) 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 7 ways as a sum of consecutive naturals, for example, 8235 + ... + 9007.

It is an arithmetic number, because the mean of its divisors is an integer number (860301).

Almost surely, 2^6664033 is an apocalyptic number.

It is an amenable number.

6664033 is a deficient number, since it is larger than the sum of its proper divisors (218375).

6664033 is a wasteful number, since it uses less digits than its factorization.

6664033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043.

The product of its (nonzero) digits is 7776, while the sum is 28.

The square root of 6664033 is about 2581.4788397351. The cubic root of 6664033 is about 188.1824187597.

Adding to 6664033 its reverse (3304666), we get a palindrome (9968699).

The spelling of 6664033 in words is "six million, six hundred sixty-four thousand, thirty-three".