73025000173 has 2 divisors, whose sum is σ = 73025000174. Its totient is φ = 73025000172.

The previous prime is 73025000149. The next prime is 73025000201. The reversal of 73025000173 is 37100052037.

It is the 110322-nd star number.

It is an a-pointer prime, because the next prime (73025000201) can be obtained adding 73025000173 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52975006569 + 20049993604 = 230163^2 + 141598^2 .

It is an emirp because it is prime and its reverse (37100052037) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73025000173 - 2¹³ = 73024991981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73025000473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36512500086 + 36512500087.

It is an arithmetic number, because the mean of its divisors is an integer number (36512500087).

Almost surely, 2^73025000173 is an apocalyptic number.

It is an amenable number.

73025000173 is a deficient number, since it is larger than the sum of its proper divisors (1).

73025000173 is an equidigital number, since it uses as much as digits as its factorization.

73025000173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4410, while the sum is 28.

The spelling of 73025000173 in words is "seventy-three billion, twenty-five million, one hundred seventy-three", and thus it is an aban number.