72230326 has 16 divisors (see below), whose sum is σ = 124093440. Its totient is φ = 30888360.

The previous prime is 72230317. The next prime is 72230357. The reversal of 72230326 is 62303227.

It is a self number, because there is not a number n which added to its sum of digits gives 72230326.

It is a congruent number.

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, 1321 + ... + 12091.

It is an arithmetic number, because the mean of its divisors is an integer number (7755840).

Almost surely, 2^72230326 is an apocalyptic number.

72230326 is a deficient number, since it is larger than the sum of its proper divisors (51863114).

72230326 is a wasteful number, since it uses less digits than its factorization.

72230326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11259.

The product of its (nonzero) digits is 3024, while the sum is 25.

The square root of 72230326 is about 8498.8426270875. The cubic root of 72230326 is about 416.4599011100.

The spelling of 72230326 in words is "seventy-two million, two hundred thirty thousand, three hundred twenty-six".