72565232226 has 8 divisors (see below), whose sum is σ = 145130464464. Its totient is φ = 24188410740.

The previous prime is 72565232203. The next prime is 72565232237. The reversal of 72565232226 is 62223256527.

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

72565232226 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6047102680 + ... + 6047102691.

It is an arithmetic number, because the mean of its divisors is an integer number (18141308058).

Almost surely, 2^72565232226 is an apocalyptic number.

72565232226 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

72565232226 is a wasteful number, since it uses less digits than its factorization.

72565232226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12094205376.

The product of its digits is 604800, while the sum is 42.

The spelling of 72565232226 in words is "seventy-two billion, five hundred sixty-five million, two hundred thirty-two thousand, two hundred twenty-six".