720192 has 84 divisors (see below), whose sum is σ = 2162048. Its totient is φ = 211200.

The previous prime is 720179. The next prime is 720193. The reversal of 720192 is 291027.

It is a happy number.

720192 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720193) by changing a digit.

720192 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23217 + ... + 23247.

2⁷²⁰¹⁹² 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 720192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1081024).

720192 is an abundant number, since it is smaller than the sum of its proper divisors (1441856).

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

720192 is a wasteful number, since it uses less digits than its factorization.

720192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68 (or 47 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 720192 is about 848.6412669674. The cubic root of 720192 is about 89.6360611648.

The spelling of 720192 in words is "seven hundred twenty thousand, one hundred ninety-two".