173430349 has 2 divisors, whose sum is σ = 173430350. Its totient is φ = 173430348.

The previous prime is 173430343. The next prime is 173430377. The reversal of 173430349 is 943034371.

It is a happy number.

173430349 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 171348100 + 2082249 = 13090^2 + 1443^2 .

It is a cyclic number.

It is not a de Polignac number, because 173430349 - 2¹³ = 173422157 is a prime.

It is equal to p_9684133 and since 173430349 and 9684133 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (173430343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86715174 + 86715175.

It is an arithmetic number, because the mean of its divisors is an integer number (86715175).

Almost surely, 2^173430349 is an apocalyptic number.

It is an amenable number.

173430349 is a deficient number, since it is larger than the sum of its proper divisors (1).

173430349 is an equidigital number, since it uses as much as digits as its factorization.

173430349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 173430349 is about 13169.2956911142. The cubic root of 173430349 is about 557.6671115190.

The spelling of 173430349 in words is "one hundred seventy-three million, four hundred thirty thousand, three hundred forty-nine".