73683717847673 has 2 divisors, whose sum is σ = 73683717847674. Its totient is φ = 73683717847672.

The previous prime is 73683717847601. The next prime is 73683717847699. The reversal of 73683717847673 is 37674871738637.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73340177676544 + 343540171129 = 8563888^2 + 586123^2 .

It is a cyclic number.

It is not a de Polignac number, because 73683717847673 - 2³⁴ = 73666537978489 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 73683717847594 and 73683717847603.

It is not a weakly prime, because it can be changed into another prime (73683717847373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36841858923836 + 36841858923837.

It is an arithmetic number, because the mean of its divisors is an integer number (36841858923837).

Almost surely, 2^{73683717847673} is an apocalyptic number.

It is an amenable number.

73683717847673 is a deficient number, since it is larger than the sum of its proper divisors (1).

73683717847673 is an equidigital number, since it uses as much as digits as its factorization.

73683717847673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4182119424, while the sum is 77.

The spelling of 73683717847673 in words is "seventy-three trillion, six hundred eighty-three billion, seven hundred seventeen million, eight hundred forty-seven thousand, six hundred seventy-three".