6720112 has 40 divisors (see below), whose sum is σ = 15400800. Its totient is φ = 2779392.

The previous prime is 6720089. The next prime is 6720143. The reversal of 6720112 is 2110276.

It is a self number, because there is not a number n which added to its sum of digits gives 6720112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2214 + ... + 4282.

It is an arithmetic number, because the mean of its divisors is an integer number (385020).

Almost surely, 2^6720112 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 6720112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7700400).

6720112 is an abundant number, since it is smaller than the sum of its proper divisors (8680688).

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

6720112 is a wasteful number, since it uses less digits than its factorization.

6720112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2113 (or 2107 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 6720112 is about 2592.3178817421. The cubic root of 6720112 is about 188.7088075833.

Adding to 6720112 its reverse (2110276), we get a palindrome (8830388).

The spelling of 6720112 in words is "six million, seven hundred twenty thousand, one hundred twelve".