73028573 has 2 divisors, whose sum is σ = 73028574. Its totient is φ = 73028572.

The previous prime is 73028569. The next prime is 73028581. The reversal of 73028573 is 37582037.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55905529 + 17123044 = 7477^2 + 4138^2 .

It is an emirp because it is prime and its reverse (37582037) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73028573 - 2² = 73028569 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73028513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36514286 + 36514287.

It is an arithmetic number, because the mean of its divisors is an integer number (36514287).

Almost surely, 2^73028573 is an apocalyptic number.

It is an amenable number.

73028573 is a deficient number, since it is larger than the sum of its proper divisors (1).

73028573 is an equidigital number, since it uses as much as digits as its factorization.

73028573 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 73028573 is about 8545.6756900786. The cubic root of 73028573 is about 417.9884404975.

The spelling of 73028573 in words is "seventy-three million, twenty-eight thousand, five hundred seventy-three".