6624733 has 2 divisors, whose sum is σ = 6624734. Its totient is φ = 6624732.

The previous prime is 6624727. The next prime is 6624743. The reversal of 6624733 is 3374266.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6335289 + 289444 = 2517^2 + 538^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6624733 is a prime.

It is a d-powerful number, because it can be written as 6 + 6⁶ + 2 + 4⁹ + 7⁸ + 3⁹ + 3¹² .

It is a junction number, because it is equal to n+sod(n) for n = 6624695 and 6624704.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6624743) 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 as a sum of consecutive naturals, namely, 3312366 + 3312367.

It is an arithmetic number, because the mean of its divisors is an integer number (3312367).

Almost surely, 2^6624733 is an apocalyptic number.

It is an amenable number.

6624733 is a deficient number, since it is larger than the sum of its proper divisors (1).

6624733 is an equidigital number, since it uses as much as digits as its factorization.

6624733 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 31.

The square root of 6624733 is about 2573.8556680591. The cubic root of 6624733 is about 187.8117645871.

Adding to 6624733 its reverse (3374266), we get a palindrome (9998999).

The spelling of 6624733 in words is "six million, six hundred twenty-four thousand, seven hundred thirty-three".