72432065266 has 32 divisors (see below), whose sum is σ = 120501037440. Its totient is φ = 32375116800.

The previous prime is 72432065249. The next prime is 72432065269. The reversal of 72432065266 is 66256023427.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (72432065269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9668050 + ... + 9675538.

It is an arithmetic number, because the mean of its divisors is an integer number (3765657420).

Almost surely, 2^72432065266 is an apocalyptic number.

72432065266 is a deficient number, since it is larger than the sum of its proper divisors (48068972174).

72432065266 is a wasteful number, since it uses less digits than its factorization.

72432065266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14770.

The product of its (nonzero) digits is 725760, while the sum is 43.

The spelling of 72432065266 in words is "seventy-two billion, four hundred thirty-two million, sixty-five thousand, two hundred sixty-six".