73704055991 has 2 divisors, whose sum is σ = 73704055992. Its totient is φ = 73704055990.

The previous prime is 73704055969. The next prime is 73704056011. The reversal of 73704055991 is 19955040737.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 73704055991 - 2⁶ = 73704055927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73704055961) 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, 36852027995 + 36852027996.

It is an arithmetic number, because the mean of its divisors is an integer number (36852027996).

Almost surely, 2^73704055991 is an apocalyptic number.

73704055991 is a deficient number, since it is larger than the sum of its proper divisors (1).

73704055991 is an equidigital number, since it uses as much as digits as its factorization.

73704055991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1190700, while the sum is 50.

The spelling of 73704055991 in words is "seventy-three billion, seven hundred four million, fifty-five thousand, nine hundred ninety-one".