273721341 has 4 divisors (see below), whose sum is σ = 364961792. Its totient is φ = 182480892.

The previous prime is 273721339. The next prime is 273721361. The reversal of 273721341 is 143127372.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 273721341 - 2¹ = 273721339 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 273721299 and 273721308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (273721361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45620221 + ... + 45620226.

It is an arithmetic number, because the mean of its divisors is an integer number (91240448).

Almost surely, 2^273721341 is an apocalyptic number.

It is an amenable number.

273721341 is a deficient number, since it is larger than the sum of its proper divisors (91240451).

273721341 is an equidigital number, since it uses as much as digits as its factorization.

273721341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91240450.

The product of its digits is 7056, while the sum is 30.

The square root of 273721341 is about 16544.5260131561. The cubic root of 273721341 is about 649.2862706231.

The spelling of 273721341 in words is "two hundred seventy-three million, seven hundred twenty-one thousand, three hundred forty-one".