72109444307 has 2 divisors, whose sum is σ = 72109444308. Its totient is φ = 72109444306.

The previous prime is 72109444279. The next prime is 72109444349. The reversal of 72109444307 is 70344490127.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72109444307 - 2¹² = 72109440211 is a prime.

It is not a weakly prime, because it can be changed into another prime (72109444397) 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, 36054722153 + 36054722154.

It is an arithmetic number, because the mean of its divisors is an integer number (36054722154).

Almost surely, 2^72109444307 is an apocalyptic number.

72109444307 is a deficient number, since it is larger than the sum of its proper divisors (1).

72109444307 is an equidigital number, since it uses as much as digits as its factorization.

72109444307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 169344, while the sum is 41.

The spelling of 72109444307 in words is "seventy-two billion, one hundred nine million, four hundred forty-four thousand, three hundred seven".