72286130 has 32 divisors (see below), whose sum is σ = 149071104. Its totient is φ = 24722496.

The previous prime is 72286069. The next prime is 72286187. The reversal of 72286130 is 3168227.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 72286093 and 72286102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34184 + ... + 36236.

It is an arithmetic number, because the mean of its divisors is an integer number (4658472).

Almost surely, 2^72286130 is an apocalyptic number.

72286130 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

72286130 is an abundant number, since it is smaller than the sum of its proper divisors (76784974).

72286130 is a wasteful number, since it uses less digits than its factorization.

72286130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2570.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 72286130 is about 8502.1250284855. The cubic root of 72286130 is about 416.5671235985.

The spelling of 72286130 in words is "seventy-two million, two hundred eighty-six thousand, one hundred thirty".