6721792 has 108 divisors (see below), whose sum is σ = 17398528. Its totient is φ = 2534400.

The previous prime is 6721789. The next prime is 6721843. The reversal of 6721792 is 2971276.

6721792 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 216817 + ... + 216847.

Almost surely, 2^6721792 is an apocalyptic number.

6721792 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6721792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8699264).

6721792 is an abundant number, since it is smaller than the sum of its proper divisors (10676736).

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

6721792 is a wasteful number, since it uses less digits than its factorization.

6721792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76 (or 51 counting only the distinct ones).

The product of its digits is 10584, while the sum is 34.

The square root of 6721792 is about 2592.6418958275. The cubic root of 6721792 is about 188.7245317449.

Adding to 6721792 its product of digits (10584), we get a palindrome (6732376).

The spelling of 6721792 in words is "six million, seven hundred twenty-one thousand, seven hundred ninety-two".