73673 has 2 divisors, whose sum is σ = 73674. Its totient is φ = 73672.

The previous prime is 73651. The next prime is 73679. The reversal of 73673 is 37637.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71824 + 1849 = 268^2 + 43^2 .

73673 is a truncatable prime.

It is a cyclic number.

It is not a de Polignac number, because 73673 - 2⁶ = 73609 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (73679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36836 + 36837.

It is an arithmetic number, because the mean of its divisors is an integer number (36837).

2⁷³⁶⁷³ is an apocalyptic number.

It is an amenable number.

73673 is a deficient number, since it is larger than the sum of its proper divisors (1).

73673 is an equidigital number, since it uses as much as digits as its factorization.

73673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2646, while the sum is 26.

The square root of 73673 is about 271.4277067655. The cubic root of 73673 is about 41.9214328633.

The spelling of 73673 in words is "seventy-three thousand, six hundred seventy-three".