273968289 has 24 divisors (see below), whose sum is σ = 460804032. Its totient is φ = 153597600.

The previous prime is 273968267. The next prime is 273968323. The reversal of 273968289 is 982869372.

It is a happy number.

273968289 is a `hidden beast` number, since 273 + 96 + 8 + 289 = 666.

It is not a de Polignac number, because 273968289 - 2⁸ = 273968033 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (273968689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37687 + ... + 44364.

It is an arithmetic number, because the mean of its divisors is an integer number (19200168).

Almost surely, 2^273968289 is an apocalyptic number.

It is an amenable number.

273968289 is a deficient number, since it is larger than the sum of its proper divisors (186835743).

273968289 is a wasteful number, since it uses less digits than its factorization.

273968289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82117 (or 82114 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 273968289 is about 16551.9874637459. The cubic root of 273968289 is about 649.4814712733.

The spelling of 273968289 in words is "two hundred seventy-three million, nine hundred sixty-eight thousand, two hundred eighty-nine".