6623705 has 8 divisors (see below), whose sum is σ = 8671104. Its totient is φ = 4817200.

The previous prime is 6623611. The next prime is 6623707. The reversal of 6623705 is 5073266.

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

It is not a de Polignac number, because 6623705 - 2¹² = 6619609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6623707) 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 in 7 ways as a sum of consecutive naturals, for example, 60161 + ... + 60270.

It is an arithmetic number, because the mean of its divisors is an integer number (1083888).

Almost surely, 2^6623705 is an apocalyptic number.

It is an amenable number.

6623705 is a deficient number, since it is larger than the sum of its proper divisors (2047399).

6623705 is a wasteful number, since it uses less digits than its factorization.

6623705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120447.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 6623705 is about 2573.6559599138. The cubic root of 6623705 is about 187.8020494544.

The spelling of 6623705 in words is "six million, six hundred twenty-three thousand, seven hundred five".