6664753 has 2 divisors, whose sum is σ = 6664754. Its totient is φ = 6664752.

The previous prime is 6664739. The next prime is 6664759. The reversal of 6664753 is 3574666.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3952144 + 2712609 = 1988^2 + 1647^2 .

It is a cyclic number.

It is not a de Polignac number, because 6664753 - 2¹³ = 6656561 is a prime.

It is not a weakly prime, because it can be changed into another prime (6664759) 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, 3332376 + 3332377.

It is an arithmetic number, because the mean of its divisors is an integer number (3332377).

Almost surely, 2^6664753 is an apocalyptic number.

It is an amenable number.

6664753 is a deficient number, since it is larger than the sum of its proper divisors (1).

6664753 is an equidigital number, since it uses as much as digits as its factorization.

6664753 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 37.

The square root of 6664753 is about 2581.6182909175. The cubic root of 6664753 is about 188.1891957600.

The spelling of 6664753 in words is "six million, six hundred sixty-four thousand, seven hundred fifty-three".