273020749 has 2 divisors, whose sum is σ = 273020750. Its totient is φ = 273020748.

The previous prime is 273020723. The next prime is 273020753. The reversal of 273020749 is 947020372.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 267813225 + 5207524 = 16365^2 + 2282^2 .

It is a cyclic number.

It is not a de Polignac number, because 273020749 - 2²³ = 264632141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (273020549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136510374 + 136510375.

It is an arithmetic number, because the mean of its divisors is an integer number (136510375).

Almost surely, 2^273020749 is an apocalyptic number.

It is an amenable number.

273020749 is a deficient number, since it is larger than the sum of its proper divisors (1).

273020749 is an equidigital number, since it uses as much as digits as its factorization.

273020749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 273020749 is about 16523.3395232320. The cubic root of 273020749 is about 648.7318461711.

The spelling of 273020749 in words is "two hundred seventy-three million, twenty thousand, seven hundred forty-nine".