672333889 has 2 divisors, whose sum is σ = 672333890. Its totient is φ = 672333888.

The previous prime is 672333863. The next prime is 672333911. The reversal of 672333889 is 988333276.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 653671489 + 18662400 = 25567^2 + 4320^2 .

It is a cyclic number.

It is not a de Polignac number, because 672333889 - 2¹¹ = 672331841 is a prime.

It is not a weakly prime, because it can be changed into another prime (672333089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336166944 + 336166945.

It is an arithmetic number, because the mean of its divisors is an integer number (336166945).

Almost surely, 2^672333889 is an apocalyptic number.

It is an amenable number.

672333889 is a deficient number, since it is larger than the sum of its proper divisors (1).

672333889 is an equidigital number, since it uses as much as digits as its factorization.

672333889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1306368, while the sum is 49.

The square root of 672333889 is about 25929.4020177867. The cubic root of 672333889 is about 876.0488707506.

The spelling of 672333889 in words is "six hundred seventy-two million, three hundred thirty-three thousand, eight hundred eighty-nine".