73400740733 has 2 divisors, whose sum is σ = 73400740734. Its totient is φ = 73400740732.

The previous prime is 73400740723. The next prime is 73400740793. The reversal of 73400740733 is 33704700437.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64375360729 + 9025380004 = 253723^2 + 95002^2 .

It is a cyclic number.

It is not a de Polignac number, because 73400740733 - 2⁶ = 73400740669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73400740703) 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, 36700370366 + 36700370367.

It is an arithmetic number, because the mean of its divisors is an integer number (36700370367).

Almost surely, 2^73400740733 is an apocalyptic number.

It is an amenable number.

73400740733 is a deficient number, since it is larger than the sum of its proper divisors (1).

73400740733 is an equidigital number, since it uses as much as digits as its factorization.

73400740733 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 148176, while the sum is 38.

The spelling of 73400740733 in words is "seventy-three billion, four hundred million, seven hundred forty thousand, seven hundred thirty-three".