72320670798 has 8 divisors (see below), whose sum is σ = 144641341608. Its totient is φ = 24106890264.

The previous prime is 72320670797. The next prime is 72320670809. The reversal of 72320670798 is 89707602327.

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

72320670798 is an admirable number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 72320670798.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72320670797) 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 3 ways as a sum of consecutive naturals, for example, 6026722561 + ... + 6026722572.

It is an arithmetic number, because the mean of its divisors is an integer number (18080167701).

Almost surely, 2^72320670798 is an apocalyptic number.

72320670798 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72320670798 is a wasteful number, since it uses less digits than its factorization.

72320670798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12053445138.

The product of its (nonzero) digits is 1778112, while the sum is 51.

The spelling of 72320670798 in words is "seventy-two billion, three hundred twenty million, six hundred seventy thousand, seven hundred ninety-eight".