720246 has 8 divisors (see below), whose sum is σ = 1440504. Its totient is φ = 240080.

The previous prime is 720241. The next prime is 720253. The reversal of 720246 is 642027.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

720246 is an admirable number.

It is a Curzon number.

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 720246.

It is not an unprimeable number, because it can be changed into a prime (720241) by changing a digit.

720246 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 3 ways as a sum of consecutive naturals, for example, 60015 + ... + 60026.

It is an arithmetic number, because the mean of its divisors is an integer number (180063).

2⁷²⁰²⁴⁶ is an apocalyptic number.

720246 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

720246 is a wasteful number, since it uses less digits than its factorization.

720246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120046.

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

The square root of 720246 is about 848.6730819344. The cubic root of 720246 is about 89.6383014130.

The spelling of 720246 in words is "seven hundred twenty thousand, two hundred forty-six".