273404 has 6 divisors (see below), whose sum is σ = 478464. Its totient is φ = 136700.

The previous prime is 273367. The next prime is 273433. The reversal of 273404 is 404372.

It is a happy number.

It is a plaindrome in base 12.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 34172 + ... + 34179.

It is an arithmetic number, because the mean of its divisors is an integer number (79744).

2²⁷³⁴⁰⁴ is an apocalyptic number.

It is an amenable number.

273404 is a deficient number, since it is larger than the sum of its proper divisors (205060).

273404 is a wasteful number, since it uses less digits than its factorization.

273404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68355 (or 68353 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 273404 is about 522.8804834759. The cubic root of 273404 is about 64.9035255203.

Adding to 273404 its reverse (404372), we get a palindrome (677776).

The spelling of 273404 in words is "two hundred seventy-three thousand, four hundred four", and thus it is an iban number.