72092919791 has 2 divisors, whose sum is σ = 72092919792. Its totient is φ = 72092919790.

The previous prime is 72092919749. The next prime is 72092919797. The reversal of 72092919791 is 19791929027.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72092919791 - 2⁶ = 72092919727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72092919797) 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 as a sum of consecutive naturals, namely, 36046459895 + 36046459896.

It is an arithmetic number, because the mean of its divisors is an integer number (36046459896).

Almost surely, 2^72092919791 is an apocalyptic number.

72092919791 is a deficient number, since it is larger than the sum of its proper divisors (1).

72092919791 is an equidigital number, since it uses as much as digits as its factorization.

72092919791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1285956, while the sum is 56.

The spelling of 72092919791 in words is "seventy-two billion, ninety-two million, nine hundred nineteen thousand, seven hundred ninety-one".