72092903917 has 2 divisors, whose sum is σ = 72092903918. Its totient is φ = 72092903916.

The previous prime is 72092903893. The next prime is 72092903921. The reversal of 72092903917 is 71930929027.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38170999876 + 33921904041 = 195374^2 + 184179^2 .

It is a cyclic number.

It is not a de Polignac number, because 72092903917 - 2³¹ = 69945420269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72092906917) 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, 36046451958 + 36046451959.

It is an arithmetic number, because the mean of its divisors is an integer number (36046451959).

Almost surely, 2^72092903917 is an apocalyptic number.

It is an amenable number.

72092903917 is a deficient number, since it is larger than the sum of its proper divisors (1).

72092903917 is an equidigital number, since it uses as much as digits as its factorization.

72092903917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 428652, while the sum is 49.

The spelling of 72092903917 in words is "seventy-two billion, ninety-two million, nine hundred three thousand, nine hundred seventeen".