73403206573 has 16 divisors (see below), whose sum is σ = 74722826880. Its totient is φ = 72096224256.

The previous prime is 73403206571. The next prime is 73403206579. The reversal of 73403206573 is 37560230437.

It is a cyclic number.

It is not a de Polignac number, because 73403206573 - 2¹ = 73403206571 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73403206571) 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 in 15 ways as a sum of consecutive naturals, for example, 28460598 + ... + 28463176.

It is an arithmetic number, because the mean of its divisors is an integer number (4670176680).

Almost surely, 2^73403206573 is an apocalyptic number.

It is an amenable number.

73403206573 is a deficient number, since it is larger than the sum of its proper divisors (1319620307).

73403206573 is a wasteful number, since it uses less digits than its factorization.

73403206573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4836.

The product of its (nonzero) digits is 317520, while the sum is 40.

The spelling of 73403206573 in words is "seventy-three billion, four hundred three million, two hundred six thousand, five hundred seventy-three".