189027673 has 2 divisors, whose sum is σ = 189027674. Its totient is φ = 189027672.

The previous prime is 189027659. The next prime is 189027697. The reversal of 189027673 is 376720981.

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., 98644624 + 90383049 = 9932^2 + 9507^2 .

It is a cyclic number.

It is not a de Polignac number, because 189027673 - 2¹⁷ = 188896601 is a prime.

It is a super-2 number, since 2×189027673² = 71462922319589858, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (189027623) 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, 94513836 + 94513837.

It is an arithmetic number, because the mean of its divisors is an integer number (94513837).

Almost surely, 2^189027673 is an apocalyptic number.

It is an amenable number.

189027673 is a deficient number, since it is larger than the sum of its proper divisors (1).

189027673 is an equidigital number, since it uses as much as digits as its factorization.

189027673 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 189027673 is about 13748.7335053088. The cubic root of 189027673 is about 573.9073622186.

The spelling of 189027673 in words is "one hundred eighty-nine million, twenty-seven thousand, six hundred seventy-three".