6623766 has 24 divisors (see below), whose sum is σ = 14452464. Its totient is φ = 2192400.

The previous prime is 6623759. The next prime is 6623789. The reversal of 6623766 is 6673266.

It is a self number, because there is not a number n which added to its sum of digits gives 6623766.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1500 + ... + 3936.

It is an arithmetic number, because the mean of its divisors is an integer number (602186).

Almost surely, 2^6623766 is an apocalyptic number.

6623766 is an abundant number, since it is smaller than the sum of its proper divisors (7828698).

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

6623766 is a wasteful number, since it uses less digits than its factorization.

6623766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2596 (or 2593 counting only the distinct ones).

The product of its digits is 54432, while the sum is 36.

The square root of 6623766 is about 2573.6678107324. The cubic root of 6623766 is about 187.8026259640.

It can be divided in two parts, 66 and 23766, that added together give a palindrome (23832).

The spelling of 6623766 in words is "six million, six hundred twenty-three thousand, seven hundred sixty-six".