73530673 has 2 divisors, whose sum is σ = 73530674. Its totient is φ = 73530672.

The previous prime is 73530659. The next prime is 73530713. The reversal of 73530673 is 37603537.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52664049 + 20866624 = 7257^2 + 4568^2 .

It is an emirp because it is prime and its reverse (37603537) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73530673 - 2⁹ = 73530161 is a prime.

It is not a weakly prime, because it can be changed into another prime (73530623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36765336 + 36765337.

It is an arithmetic number, because the mean of its divisors is an integer number (36765337).

Almost surely, 2^73530673 is an apocalyptic number.

It is an amenable number.

73530673 is a deficient number, since it is larger than the sum of its proper divisors (1).

73530673 is an equidigital number, since it uses as much as digits as its factorization.

73530673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39690, while the sum is 34.

The square root of 73530673 is about 8575.0027988334. The cubic root of 73530673 is about 418.9441980965.

The spelling of 73530673 in words is "seventy-three million, five hundred thirty thousand, six hundred seventy-three".