18829073 has 2 divisors, whose sum is σ = 18829074. Its totient is φ = 18829072.

The previous prime is 18829061. The next prime is 18829087. The reversal of 18829073 is 37092881.

18829073 is nontrivially palindromic in base 16.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17372224 + 1456849 = 4168^2 + 1207^2 .

It is a cyclic number.

It is not a de Polignac number, because 18829073 - 2⁶ = 18829009 is a prime.

It is not a weakly prime, because it can be changed into another prime (18829003) 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, 9414536 + 9414537.

It is an arithmetic number, because the mean of its divisors is an integer number (9414537).

Almost surely, 2^18829073 is an apocalyptic number.

It is an amenable number.

18829073 is a deficient number, since it is larger than the sum of its proper divisors (1).

18829073 is an equidigital number, since it uses as much as digits as its factorization.

18829073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 18829073 is about 4339.2479763203. The cubic root of 18829073 is about 266.0375745439.

The spelling of 18829073 in words is "eighteen million, eight hundred twenty-nine thousand, seventy-three".