73357018673 has 2 divisors, whose sum is σ = 73357018674. Its totient is φ = 73357018672.

The previous prime is 73357018663. The next prime is 73357018711. The reversal of 73357018673 is 37681075337.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70738445089 + 2618573584 = 265967^2 + 51172^2 .

It is a cyclic number.

It is not a de Polignac number, because 73357018673 - 2¹⁰ = 73357017649 is a prime.

It is not a weakly prime, because it can be changed into another prime (73357018613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36678509336 + 36678509337.

It is an arithmetic number, because the mean of its divisors is an integer number (36678509337).

Almost surely, 2^73357018673 is an apocalyptic number.

It is an amenable number.

73357018673 is a deficient number, since it is larger than the sum of its proper divisors (1).

73357018673 is an equidigital number, since it uses as much as digits as its factorization.

73357018673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2222640, while the sum is 50.

The spelling of 73357018673 in words is "seventy-three billion, three hundred fifty-seven million, eighteen thousand, six hundred seventy-three".