72266326 has 8 divisors (see below), whose sum is σ = 118254024. Its totient is φ = 32848320.

The previous prime is 72266323. The next prime is 72266333. The reversal of 72266326 is 62366227.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 72266291 and 72266300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72266321) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1642395 + ... + 1642438.

It is an arithmetic number, because the mean of its divisors is an integer number (14781753).

Almost surely, 2^72266326 is an apocalyptic number.

72266326 is a deficient number, since it is larger than the sum of its proper divisors (45987698).

72266326 is a wasteful number, since it uses less digits than its factorization.

72266326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3284846.

The product of its digits is 36288, while the sum is 34.

The square root of 72266326 is about 8500.9602986957. The cubic root of 72266326 is about 416.5290782694.

Subtracting from 72266326 its reverse (62366227), we obtain a palindrome (9900099).

The spelling of 72266326 in words is "seventy-two million, two hundred sixty-six thousand, three hundred twenty-six".