189627073 has 2 divisors, whose sum is σ = 189627074. Its totient is φ = 189627072.

The previous prime is 189627071. The next prime is 189627107. The reversal of 189627073 is 370726981.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 165302449 + 24324624 = 12857^2 + 4932^2 .

It is a cyclic number.

It is not a de Polignac number, because 189627073 - 2¹ = 189627071 is a prime.

Together with 189627071, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (189627071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94813536 + 94813537.

It is an arithmetic number, because the mean of its divisors is an integer number (94813537).

Almost surely, 2^189627073 is an apocalyptic number.

It is an amenable number.

189627073 is a deficient number, since it is larger than the sum of its proper divisors (1).

189627073 is an equidigital number, since it uses as much as digits as its factorization.

189627073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 127008, while the sum is 43.

The square root of 189627073 is about 13770.5146236442. The cubic root of 189627073 is about 574.5133354123.

The spelling of 189627073 in words is "one hundred eighty-nine million, six hundred twenty-seven thousand, seventy-three".