6665703 has 16 divisors (see below), whose sum is σ = 9831936. Its totient is φ = 3983040.

The previous prime is 6665689. The next prime is 6665707. The reversal of 6665703 is 3075666.

It is not a de Polignac number, because 6665703 - 2⁵ = 6665671 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

6665703 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6665707) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1026 + ... + 3792.

It is an arithmetic number, because the mean of its divisors is an integer number (614496).

Almost surely, 2^6665703 is an apocalyptic number.

6665703 is a deficient number, since it is larger than the sum of its proper divisors (3166233).

6665703 is a wasteful number, since it uses less digits than its factorization.

6665703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2854.

The product of its (nonzero) digits is 22680, while the sum is 33.

The square root of 6665703 is about 2581.8022774798. The cubic root of 6665703 is about 188.1981368887.

The spelling of 6665703 in words is "six million, six hundred sixty-five thousand, seven hundred three".