173738065 has 24 divisors (see below), whose sum is σ = 216832104. Its totient is φ = 133593600.

The previous prime is 173738039. The next prime is 173738069. The reversal of 173738065 is 560837371.

It can be written as a sum of positive squares in 4 ways, for example, as 15808576 + 157929489 = 3976^2 + 12567^2 .

It is not a de Polignac number, because 173738065 - 2²¹ = 171640913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (173738069) 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 in 23 ways as a sum of consecutive naturals, for example, 1537449 + ... + 1537561.

It is an arithmetic number, because the mean of its divisors is an integer number (9034671).

Almost surely, 2^173738065 is an apocalyptic number.

It is an amenable number.

173738065 is a deficient number, since it is larger than the sum of its proper divisors (43094039).

173738065 is an equidigital number, since it uses as much as digits as its factorization.

173738065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321 (or 250 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 173738065 is about 13180.9735983348. The cubic root of 173738065 is about 557.9967379896.

The spelling of 173738065 in words is "one hundred seventy-three million, seven hundred thirty-eight thousand, sixty-five".