72830130 has 32 divisors (see below), whose sum is σ = 175017024. Its totient is φ = 19396416.

The previous prime is 72830123. The next prime is 72830141. The reversal of 72830130 is 3103827.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 72830130.

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 15 ways as a sum of consecutive naturals, for example, 43672 + ... + 45308.

It is an arithmetic number, because the mean of its divisors is an integer number (5469282).

Almost surely, 2^72830130 is an apocalyptic number.

72830130 is an abundant number, since it is smaller than the sum of its proper divisors (102186894).

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

72830130 is a wasteful number, since it uses less digits than its factorization.

72830130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3130.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 72830130 is about 8534.0570656634. The cubic root of 72830130 is about 417.6094923599.

Adding to 72830130 its reverse (3103827), we get a palindrome (75933957).

The spelling of 72830130 in words is "seventy-two million, eight hundred thirty thousand, one hundred thirty".