72320914307 has 2 divisors, whose sum is σ = 72320914308. Its totient is φ = 72320914306.

The previous prime is 72320914273. The next prime is 72320914313. The reversal of 72320914307 is 70341902327.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72320914307 - 2¹⁶ = 72320848771 is a prime.

It is not a weakly prime, because it can be changed into another prime (72320914397) 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, 36160457153 + 36160457154.

It is an arithmetic number, because the mean of its divisors is an integer number (36160457154).

Almost surely, 2^72320914307 is an apocalyptic number.

72320914307 is a deficient number, since it is larger than the sum of its proper divisors (1).

72320914307 is an equidigital number, since it uses as much as digits as its factorization.

72320914307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63504, while the sum is 38.

The spelling of 72320914307 in words is "seventy-two billion, three hundred twenty million, nine hundred fourteen thousand, three hundred seven".