273207345 has 8 divisors (see below), whose sum is σ = 437131776. Its totient is φ = 145710576.

The previous prime is 273207343. The next prime is 273207367. The reversal of 273207345 is 543702372.

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

It is not a de Polignac number, because 273207345 - 2¹ = 273207343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (273207343) 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, 9106897 + ... + 9106926.

It is an arithmetic number, because the mean of its divisors is an integer number (54641472).

Almost surely, 2^273207345 is an apocalyptic number.

It is an amenable number.

273207345 is a deficient number, since it is larger than the sum of its proper divisors (163924431).

273207345 is a wasteful number, since it uses less digits than its factorization.

273207345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18213831.

The product of its (nonzero) digits is 35280, while the sum is 33.

The square root of 273207345 is about 16528.9849960607. The cubic root of 273207345 is about 648.8796044167.

The spelling of 273207345 in words is "two hundred seventy-three million, two hundred seven thousand, three hundred forty-five".