73673707373723 has 2 divisors, whose sum is σ = 73673707373724. Its totient is φ = 73673707373722.

The previous prime is 73673707373687. The next prime is 73673707373771. The reversal of 73673707373723 is 32737370737637.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (32737370737637) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73673707373723 - 2⁶ = 73673707373659 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73673707373723.

It is not a weakly prime, because it can be changed into another prime (73673707372723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36836853686861 + 36836853686862.

It is an arithmetic number, because the mean of its divisors is an integer number (36836853686862).

Almost surely, 2^{73673707373723} is an apocalyptic number.

73673707373723 is a deficient number, since it is larger than the sum of its proper divisors (1).

73673707373723 is an equidigital number, since it uses as much as digits as its factorization.

73673707373723 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 343064484, while the sum is 65.

The spelling of 73673707373723 in words is "seventy-three trillion, six hundred seventy-three billion, seven hundred seven million, three hundred seventy-three thousand, seven hundred twenty-three".