6691703 has 4 divisors (see below), whose sum is σ = 6847368. Its totient is φ = 6536040.

The previous prime is 6691697. The next prime is 6691723. The reversal of 6691703 is 3071966.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6691703 - 2⁴ = 6691687 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6691703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6691723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77768 + ... + 77853.

It is an arithmetic number, because the mean of its divisors is an integer number (1711842).

Almost surely, 2^6691703 is an apocalyptic number.

6691703 is a deficient number, since it is larger than the sum of its proper divisors (155665).

6691703 is a wasteful number, since it uses less digits than its factorization.

6691703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155664.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 6691703 is about 2586.8326192469. The cubic root of 6691703 is about 188.4425123778.

The spelling of 6691703 in words is "six million, six hundred ninety-one thousand, seven hundred three".