273368321 has 8 divisors (see below), whose sum is σ = 281766504. Its totient is φ = 265023360.

The previous prime is 273368287. The next prime is 273368327. The reversal of 273368321 is 123863372.

It can be written as a sum of positive squares in 4 ways, for example, as 207936400 + 65431921 = 14420^2 + 8089^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 273368321 - 2¹⁸ = 273106177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (273368327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2750 + ... + 23543.

It is an arithmetic number, because the mean of its divisors is an integer number (35220813).

Almost surely, 2^273368321 is an apocalyptic number.

It is an amenable number.

273368321 is a deficient number, since it is larger than the sum of its proper divisors (8398183).

273368321 is a wasteful number, since it uses less digits than its factorization.

273368321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26611.

The product of its digits is 36288, while the sum is 35.

The square root of 273368321 is about 16533.8537854911. The cubic root of 273368321 is about 649.0070211166.

The spelling of 273368321 in words is "two hundred seventy-three million, three hundred sixty-eight thousand, three hundred twenty-one".