6723992 has 32 divisors (see below), whose sum is σ = 13899600. Its totient is φ = 3024000.

The previous prime is 6723979. The next prime is 6724007. The reversal of 6723992 is 2993276.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

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, 9242 + ... + 9942.

Almost surely, 2^6723992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6723992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6949800).

6723992 is an abundant number, since it is smaller than the sum of its proper divisors (7175608).

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

6723992 is a wasteful number, since it uses less digits than its factorization.

6723992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827 (or 823 counting only the distinct ones).

The product of its digits is 40824, while the sum is 38.

The square root of 6723992 is about 2593.0661387631. The cubic root of 6723992 is about 188.7451189475.

It can be divided in two parts, 672 and 3992, that added together give a palindrome (4664).

The spelling of 6723992 in words is "six million, seven hundred twenty-three thousand, nine hundred ninety-two".