72605273288 has 16 divisors (see below), whose sum is σ = 136615933680. Its totient is φ = 36174357648.

The previous prime is 72605273281. The next prime is 72605273341. The reversal of 72605273288 is 88237250627.

It is not an unprimeable number, because it can be changed into a prime (72605273281) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 16032470 + ... + 16036997.

It is an arithmetic number, because the mean of its divisors is an integer number (8538495855).

Almost surely, 2^72605273288 is an apocalyptic number.

It is an amenable number.

72605273288 is a deficient number, since it is larger than the sum of its proper divisors (64010660392).

72605273288 is a wasteful number, since it uses less digits than its factorization.

72605273288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32069756 (or 32069752 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 50.

The spelling of 72605273288 in words is "seventy-two billion, six hundred five million, two hundred seventy-three thousand, two hundred eighty-eight".