720366 has 32 divisors (see below), whose sum is σ = 1555200. Its totient is φ = 221760.

The previous prime is 720361. The next prime is 720367. The reversal of 720366 is 663027.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720361) by changing a digit.

720366 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, 8050 + ... + 8138.

It is an arithmetic number, because the mean of its divisors is an integer number (48600).

2⁷²⁰³⁶⁶ is an apocalyptic number.

720366 is an abundant number, since it is smaller than the sum of its proper divisors (834834).

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

720366 is a wasteful number, since it uses less digits than its factorization.

720366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184.

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 720366 is about 848.7437775913. The cubic root of 720366 is about 89.6432793413.

The spelling of 720366 in words is "seven hundred twenty thousand, three hundred sixty-six".