72466326563 has 8 divisors (see below), whose sum is σ = 75442655280. Its totient is φ = 69521830560.

The previous prime is 72466326509. The next prime is 72466326631. The reversal of 72466326563 is 36562366427.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72466326563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72466326463) 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 7 ways as a sum of consecutive naturals, for example, 7953533 + ... + 7962638.

It is an arithmetic number, because the mean of its divisors is an integer number (9430331910).

Almost surely, 2^72466326563 is an apocalyptic number.

72466326563 is a deficient number, since it is larger than the sum of its proper divisors (2976328717).

72466326563 is a wasteful number, since it uses less digits than its factorization.

72466326563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15916357.

The product of its digits is 6531840, while the sum is 50.

The spelling of 72466326563 in words is "seventy-two billion, four hundred sixty-six million, three hundred twenty-six thousand, five hundred sixty-three".