72308130 has 16 divisors (see below), whose sum is σ = 173539584. Its totient is φ = 19282160.

The previous prime is 72308111. The next prime is 72308141. The reversal of 72308130 is 3180327.

It is a super-3 number, since 3×72308130³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 72308130.

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, 1205106 + ... + 1205165.

It is an arithmetic number, because the mean of its divisors is an integer number (10846224).

Almost surely, 2^72308130 is an apocalyptic number.

72308130 is an abundant number, since it is smaller than the sum of its proper divisors (101231454).

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

72308130 is a wasteful number, since it uses less digits than its factorization.

72308130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2410281.

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

The square root of 72308130 is about 8503.4187242544. The cubic root of 72308130 is about 416.6093795018.

Adding to 72308130 its reverse (3180327), we get a palindrome (75488457).

The spelling of 72308130 in words is "seventy-two million, three hundred eight thousand, one hundred thirty".