6663734 has 16 divisors (see below), whose sum is σ = 12462336. Its totient is φ = 2596200.

The previous prime is 6663731. The next prime is 6663739. The reversal of 6663734 is 4373666.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6663694 and 6663703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6663731) 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, 21482 + ... + 21789.

It is an arithmetic number, because the mean of its divisors is an integer number (778896).

Almost surely, 2^6663734 is an apocalyptic number.

6663734 is a deficient number, since it is larger than the sum of its proper divisors (5798602).

6663734 is a wasteful number, since it uses less digits than its factorization.

6663734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43291.

The product of its digits is 54432, while the sum is 35.

The square root of 6663734 is about 2581.4209265441. The cubic root of 6663734 is about 188.1796042786.

The spelling of 6663734 in words is "six million, six hundred sixty-three thousand, seven hundred thirty-four".