720468 has 48 divisors (see below), whose sum is σ = 2136960. Its totient is φ = 205632.

The previous prime is 720439. The next prime is 720481. The reversal of 720468 is 864027.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 720468.

It is an unprimeable number.

720468 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 15 ways as a sum of consecutive naturals, for example, 280 + ... + 1232.

It is an arithmetic number, because the mean of its divisors is an integer number (44520).

2⁷²⁰⁴⁶⁸ 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 720468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1068480).

720468 is an abundant number, since it is smaller than the sum of its proper divisors (1416492).

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

720468 is a wasteful number, since it uses less digits than its factorization.

720468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973 (or 965 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 720468 is about 848.8038642702. The cubic root of 720468 is about 89.6475101457.

The spelling of 720468 in words is "seven hundred twenty thousand, four hundred sixty-eight".