30134173 has 4 divisors (see below), whose sum is σ = 30147040. Its totient is φ = 30121308.

The previous prime is 30134129. The next prime is 30134177. The reversal of 30134173 is 37143103.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 37143103 = 223 ⋅166561.

It is a cyclic number.

It is not a de Polignac number, because 30134173 - 2¹³ = 30125981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30134177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1815 + ... + 7972.

It is an arithmetic number, because the mean of its divisors is an integer number (7536760).

Almost surely, 2^30134173 is an apocalyptic number.

It is an amenable number.

30134173 is a deficient number, since it is larger than the sum of its proper divisors (12867).

30134173 is an equidigital number, since it uses as much as digits as its factorization.

30134173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12866.

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 30134173 is about 5489.4601738240. The cubic root of 30134173 is about 311.1857913927.

Adding to 30134173 its reverse (37143103), we get a palindrome (67277276).

The spelling of 30134173 in words is "thirty million, one hundred thirty-four thousand, one hundred seventy-three".