72087023224 has 8 divisors (see below), whose sum is σ = 135163168560. Its totient is φ = 36043511608.

The previous prime is 72087023221. The next prime is 72087023263. The reversal of 72087023224 is 42232078027.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72087023221) 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 as a sum of consecutive naturals, namely, 4505438944 + ... + 4505438959.

It is an arithmetic number, because the mean of its divisors is an integer number (16895396070).

Almost surely, 2^72087023224 is an apocalyptic number.

It is an amenable number.

72087023224 is a deficient number, since it is larger than the sum of its proper divisors (63076145336).

72087023224 is a wasteful number, since it uses less digits than its factorization.

72087023224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9010877909 (or 9010877905 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 37.

The spelling of 72087023224 in words is "seventy-two billion, eighty-seven million, twenty-three thousand, two hundred twenty-four".