673533073 has 2 divisors, whose sum is σ = 673533074. Its totient is φ = 673533072.

The previous prime is 673533059. The next prime is 673533079. The reversal of 673533073 is 370335376.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 637916049 + 35617024 = 25257^2 + 5968^2 .

It is a cyclic number.

It is not a de Polignac number, because 673533073 - 2¹³ = 673524881 is a prime.

It is not a weakly prime, because it can be changed into another prime (673533079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336766536 + 336766537.

It is an arithmetic number, because the mean of its divisors is an integer number (336766537).

Almost surely, 2^673533073 is an apocalyptic number.

It is an amenable number.

673533073 is a deficient number, since it is larger than the sum of its proper divisors (1).

673533073 is an equidigital number, since it uses as much as digits as its factorization.

673533073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 119070, while the sum is 37.

The square root of 673533073 is about 25952.5157354735. The cubic root of 673533073 is about 876.5694056794.

The spelling of 673533073 in words is "six hundred seventy-three million, five hundred thirty-three thousand, seventy-three".