273734369 has 2 divisors, whose sum is σ = 273734370. Its totient is φ = 273734368.

The previous prime is 273734353. The next prime is 273734381. The reversal of 273734369 is 963437372.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 211324369 + 62410000 = 14537^2 + 7900^2 .

It is a cyclic number.

It is not a de Polignac number, because 273734369 - 2⁴ = 273734353 is a prime.

It is a super-2 number, since 2×273734369² = 149861009543656322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (273731369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136867184 + 136867185.

It is an arithmetic number, because the mean of its divisors is an integer number (136867185).

Almost surely, 2^273734369 is an apocalyptic number.

It is an amenable number.

273734369 is a deficient number, since it is larger than the sum of its proper divisors (1).

273734369 is an equidigital number, since it uses as much as digits as its factorization.

273734369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 571536, while the sum is 44.

The square root of 273734369 is about 16544.9197338639. The cubic root of 273734369 is about 649.2965715704.

The spelling of 273734369 in words is "two hundred seventy-three million, seven hundred thirty-four thousand, three hundred sixty-nine".