6685723 has 8 divisors (see below), whose sum is σ = 7324416. Its totient is φ = 6052200.

The previous prime is 6685717. The next prime is 6685741. The reversal of 6685723 is 3275866.

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

It is a de Polignac number, because none of the positive numbers 2^k-6685723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6685753) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1738 + ... + 4048.

It is an arithmetic number, because the mean of its divisors is an integer number (915552).

Almost surely, 2^6685723 is an apocalyptic number.

6685723 is a deficient number, since it is larger than the sum of its proper divisors (638693).

6685723 is a wasteful number, since it uses less digits than its factorization.

6685723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2585.

The product of its digits is 60480, while the sum is 37.

The square root of 6685723 is about 2585.6765072220. The cubic root of 6685723 is about 188.3863621438.

The spelling of 6685723 in words is "six million, six hundred eighty-five thousand, seven hundred twenty-three".