6723312 has 20 divisors (see below), whose sum is σ = 17368680. Its totient is φ = 2241088.

The previous prime is 6723293. The next prime is 6723323. The reversal of 6723312 is 2133276.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69987 + ... + 70082.

It is an arithmetic number, because the mean of its divisors is an integer number (868434).

Almost surely, 2^6723312 is an apocalyptic number.

It is an amenable number.

6723312 is an abundant number, since it is smaller than the sum of its proper divisors (10645368).

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

6723312 is a wasteful number, since it uses less digits than its factorization.

6723312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140080 (or 140074 counting only the distinct ones).

The product of its digits is 1512, while the sum is 24.

The square root of 6723312 is about 2592.9350165401. The cubic root of 6723312 is about 188.7387561099.

Adding to 6723312 its reverse (2133276), we get a palindrome (8856588).

The spelling of 6723312 in words is "six million, seven hundred twenty-three thousand, three hundred twelve".