272753610721 has 4 divisors (see below), whose sum is σ = 276595210944. Its totient is φ = 268912010500.

The previous prime is 272753610713. The next prime is 272753610757. The reversal of 272753610721 is 127016357272.

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 a cyclic number.

It is not a de Polignac number, because 272753610721 - 2³ = 272753610713 is a prime.

It is a super-2 number, since 2×272753610721² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (272753613721) 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, 1920800005 + ... + 1920800146.

It is an arithmetic number, because the mean of its divisors is an integer number (69148802736).

Almost surely, 2^272753610721 is an apocalyptic number.

It is an amenable number.

272753610721 is a deficient number, since it is larger than the sum of its proper divisors (3841600223).

272753610721 is an equidigital number, since it uses as much as digits as its factorization.

272753610721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3841600222.

The product of its (nonzero) digits is 246960, while the sum is 43.

Adding to 272753610721 its reverse (127016357272), we get a palindrome (399769967993).

The spelling of 272753610721 in words is "two hundred seventy-two billion, seven hundred fifty-three million, six hundred ten thousand, seven hundred twenty-one".