6720288 has 24 divisors (see below), whose sum is σ = 17641008. Its totient is φ = 2240064.

The previous prime is 6720283. The next prime is 6720289. The reversal of 6720288 is 8820276.

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (6720283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34906 + ... + 35097.

It is an arithmetic number, because the mean of its divisors is an integer number (735042).

Almost surely, 2^6720288 is an apocalyptic number.

It is an amenable number.

6720288 is an abundant number, since it is smaller than the sum of its proper divisors (10920720).

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

6720288 is a wasteful number, since it uses less digits than its factorization.

6720288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70016 (or 70008 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 6720288 is about 2592.3518279740. The cubic root of 6720288 is about 188.7104549993.

The spelling of 6720288 in words is "six million, seven hundred twenty thousand, two hundred eighty-eight".