34638173 has 2 divisors, whose sum is σ = 34638174. Its totient is φ = 34638172.

The previous prime is 34638143. The next prime is 34638187. The reversal of 34638173 is 37183643.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26646244 + 7991929 = 5162^2 + 2827^2 .

It is a cyclic number.

It is not a de Polignac number, because 34638173 - 2²⁰ = 33589597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34638113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17319086 + 17319087.

It is an arithmetic number, because the mean of its divisors is an integer number (17319087).

Almost surely, 2^34638173 is an apocalyptic number.

It is an amenable number.

34638173 is a deficient number, since it is larger than the sum of its proper divisors (1).

34638173 is an equidigital number, since it uses as much as digits as its factorization.

34638173 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 35.

The square root of 34638173 is about 5885.4203758100. The cubic root of 34638173 is about 325.9755241514.

The spelling of 34638173 in words is "thirty-four million, six hundred thirty-eight thousand, one hundred seventy-three".