170343073 has 2 divisors, whose sum is σ = 170343074. Its totient is φ = 170343072.

The previous prime is 170343059. The next prime is 170343101. The reversal of 170343073 is 370343071.

It is an a-pointer prime, because the next prime (170343101) can be obtained adding 170343073 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., 113912929 + 56430144 = 10673^2 + 7512^2 .

It is a cyclic number.

It is not a de Polignac number, because 170343073 - 2¹³ = 170334881 is a prime.

It is equal to p_9521254 and since 170343073 and 9521254 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (170343373) 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, 85171536 + 85171537.

It is an arithmetic number, because the mean of its divisors is an integer number (85171537).

Almost surely, 2^170343073 is an apocalyptic number.

It is an amenable number.

170343073 is a deficient number, since it is larger than the sum of its proper divisors (1).

170343073 is an equidigital number, since it uses as much as digits as its factorization.

170343073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5292, while the sum is 28.

The square root of 170343073 is about 13051.5544284962. The cubic root of 170343073 is about 554.3382237445.

The spelling of 170343073 in words is "one hundred seventy million, three hundred forty-three thousand, seventy-three".