720030 has 16 divisors (see below), whose sum is σ = 1728144. Its totient is φ = 192000.

The previous prime is 720023. The next prime is 720053. The reversal of 720030 is 30027.

It is a junction number, because it is equal to n+sod(n) for n = 719988 and 720015.

It is a congruent number.

It is an unprimeable number.

720030 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 (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11971 + ... + 12030.

It is an arithmetic number, because the mean of its divisors is an integer number (108009).

2⁷²⁰⁰³⁰ is an apocalyptic number.

720030 is an abundant number, since it is smaller than the sum of its proper divisors (1008114).

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

720030 is a wasteful number, since it uses less digits than its factorization.

720030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24011.

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

The square root of 720030 is about 848.5458149092. The cubic root of 720030 is about 89.6293397485.

Adding to 720030 its reverse (30027), we get a palindrome (750057).

It can be divided in two parts, 7200 and 30, that multiplied together give a cube (216000 = 60³).

The spelling of 720030 in words is "seven hundred twenty thousand, thirty".