73069189 has 2 divisors, whose sum is σ = 73069190. Its totient is φ = 73069188.

The previous prime is 73069177. The next prime is 73069211. The reversal of 73069189 is 98196037.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70006689 + 3062500 = 8367^2 + 1750^2 .

It is a cyclic number.

It is not a de Polignac number, because 73069189 - 2¹⁵ = 73036421 is a prime.

It is a super-2 number, since 2×73069189² = 10678212762235442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73069109) 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, 36534594 + 36534595.

It is an arithmetic number, because the mean of its divisors is an integer number (36534595).

Almost surely, 2^73069189 is an apocalyptic number.

It is an amenable number.

73069189 is a deficient number, since it is larger than the sum of its proper divisors (1).

73069189 is an equidigital number, since it uses as much as digits as its factorization.

73069189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 73069189 is about 8548.0517663383. The cubic root of 73069189 is about 418.0659164379.

The spelling of 73069189 in words is "seventy-three million, sixty-nine thousand, one hundred eighty-nine".