720264 has 16 divisors (see below), whose sum is σ = 1800720. Its totient is φ = 240080.

The previous prime is 720257. The next prime is 720281. The reversal of 720264 is 462027.

It is a happy number.

720264 is a modest number, since divided by 264 gives 72 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 720264.

It is an unprimeable number.

720264 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14982 + ... + 15029.

It is an arithmetic number, because the mean of its divisors is an integer number (112545).

2⁷²⁰²⁶⁴ is an apocalyptic number.

It is an amenable number.

720264 is an abundant number, since it is smaller than the sum of its proper divisors (1080456).

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

720264 is a wasteful number, since it uses less digits than its factorization.

720264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30020 (or 30016 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 720264 is about 848.6836866583. The cubic root of 720264 is about 89.6390481375.

The spelling of 720264 in words is "seven hundred twenty thousand, two hundred sixty-four".