720300 has 90 divisors (see below), whose sum is σ = 2431268. Its totient is φ = 164640.

The previous prime is 720299. The next prime is 720301. The reversal of 720300 is 3027.

It is an interprime number because it is at equal distance from previous prime (720299) and next prime (720301).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (720301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 102897 + ... + 102903.

2⁷²⁰³⁰⁰ is an apocalyptic number.

720300 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 720300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1215634).

720300 is an abundant number, since it is smaller than the sum of its proper divisors (1710968).

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

720300 is a wasteful number, since it uses less digits than its factorization.

720300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45 (or 17 counting only the distinct ones).

The product of its (nonzero) digits is 42, while the sum is 12.

The square root of 720300 is about 848.7048957087. The cubic root of 720300 is about 89.6405415491.

Multiplying 720300 by its sum of digits (12), we get a square (8643600 = 2940²).

720300 divided by its sum of digits (12) gives a square (60025 = 245²).

Adding to 720300 its reverse (3027), we get a palindrome (723327).

It can be divided in two parts, 720 and 300, that multiplied together give a cube (216000 = 60³).

The spelling of 720300 in words is "seven hundred twenty thousand, three hundred", and thus it is an iban number.