720000130 has 16 divisors (see below), whose sum is σ = 1296579960. Its totient is φ = 287871232.

The previous prime is 720000107. The next prime is 720000161. The reversal of 720000130 is 31000027.

It can be written as a sum of positive squares in 4 ways, for example, as 583367409 + 136632721 = 24153^2 + 11689^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 720000130.

It is an unprimeable 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, 9276 + ... + 39064.

Almost surely, 2^720000130 is an apocalyptic number.

720000130 is a deficient number, since it is larger than the sum of its proper divisors (576579830).

720000130 is a wasteful number, since it uses less digits than its factorization.

720000130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32213.

The product of its (nonzero) digits is 42, while the sum is 13.

The square root of 720000130 is about 26832.8181524043. The cubic root of 720000130 is about 896.2810032543.

Adding to 720000130 its reverse (31000027), we get a palindrome (751000157).

The spelling of 720000130 in words is "seven hundred twenty million, one hundred thirty", and thus it is an aban number.