29430173 has 2 divisors, whose sum is σ = 29430174. Its totient is φ = 29430172.

The previous prime is 29430161. The next prime is 29430217. The reversal of 29430173 is 37103492.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27478564 + 1951609 = 5242^2 + 1397^2 .

It is a cyclic number.

It is not a de Polignac number, because 29430173 - 2¹⁰ = 29429149 is a prime.

It is a super-2 number, since 2×29430173² = 1732270165619858, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29430113) 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 as a sum of consecutive naturals, namely, 14715086 + 14715087.

It is an arithmetic number, because the mean of its divisors is an integer number (14715087).

Almost surely, 2^29430173 is an apocalyptic number.

It is an amenable number.

29430173 is a deficient number, since it is larger than the sum of its proper divisors (1).

29430173 is an equidigital number, since it uses as much as digits as its factorization.

29430173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 29430173 is about 5424.9583408539. The cubic root of 29430173 is about 308.7433449368.

The spelling of 29430173 in words is "twenty-nine million, four hundred thirty thousand, one hundred seventy-three".