72320488747 has 8 divisors (see below), whose sum is σ = 81982740560. Its totient is φ = 63243828000.

The previous prime is 72320488739. The next prime is 72320488789. The reversal of 72320488747 is 74788402327.

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

It is a cyclic number.

It is not a de Polignac number, because 72320488747 - 2³ = 72320488739 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 72320488694 and 72320488703.

It is not an unprimeable number, because it can be changed into a prime (72320488717) 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, 146397504 + ... + 146397997.

It is an arithmetic number, because the mean of its divisors is an integer number (10247842570).

Almost surely, 2^72320488747 is an apocalyptic number.

72320488747 is a deficient number, since it is larger than the sum of its proper divisors (9662251813).

72320488747 is a wasteful number, since it uses less digits than its factorization.

72320488747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292795533.

The product of its (nonzero) digits is 4214784, while the sum is 52.

The spelling of 72320488747 in words is "seventy-two billion, three hundred twenty million, four hundred eighty-eight thousand, seven hundred forty-seven".