272842993 has 4 divisors (see below), whose sum is σ = 277991028. Its totient is φ = 267694960.

The previous prime is 272842981. The next prime is 272843003. The reversal of 272842993 is 399248272.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 244359424 + 28483569 = 15632^2 + 5337^2 .

It is a cyclic number.

It is not a de Polignac number, because 272842993 - 2²⁵ = 239288561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (272842903) 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, 2573938 + ... + 2574043.

It is an arithmetic number, because the mean of its divisors is an integer number (69497757).

Almost surely, 2^272842993 is an apocalyptic number.

It is an amenable number.

272842993 is a deficient number, since it is larger than the sum of its proper divisors (5148035).

272842993 is an equidigital number, since it uses as much as digits as its factorization.

272842993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5148034.

The product of its digits is 435456, while the sum is 46.

The square root of 272842993 is about 16517.9597105696. The cubic root of 272842993 is about 648.5910253558.

The spelling of 272842993 in words is "two hundred seventy-two million, eight hundred forty-two thousand, nine hundred ninety-three".