273942373 has 2 divisors, whose sum is σ = 273942374. Its totient is φ = 273942372.

The previous prime is 273942371. The next prime is 273942377. The reversal of 273942373 is 373249372.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 229613409 + 44328964 = 15153^2 + 6658^2 .

It is a cyclic number.

It is not a de Polignac number, because 273942373 - 2¹ = 273942371 is a prime.

It is a super-2 number, since 2×273942373² = 150088847449742258, which contains 22 as substring.

Together with 273942371, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (273942371) 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 as a sum of consecutive naturals, namely, 136971186 + 136971187.

It is an arithmetic number, because the mean of its divisors is an integer number (136971187).

Almost surely, 2^273942373 is an apocalyptic number.

It is an amenable number.

273942373 is a deficient number, since it is larger than the sum of its proper divisors (1).

273942373 is an equidigital number, since it uses as much as digits as its factorization.

273942373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 190512, while the sum is 40.

The square root of 273942373 is about 16551.2045785194. The cubic root of 273942373 is about 649.4609914182.

The spelling of 273942373 in words is "two hundred seventy-three million, nine hundred forty-two thousand, three hundred seventy-three".