272620213 has 4 divisors (see below), whose sum is σ = 282020940. Its totient is φ = 263219488.

The previous prime is 272620199. The next prime is 272620247. The reversal of 272620213 is 312026272.

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 223592209 + 49028004 = 14953^2 + 7002^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-272620213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272620013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4700320 + ... + 4700377.

It is an arithmetic number, because the mean of its divisors is an integer number (70505235).

Almost surely, 2^272620213 is an apocalyptic number.

It is an amenable number.

272620213 is a deficient number, since it is larger than the sum of its proper divisors (9400727).

272620213 is an equidigital number, since it uses as much as digits as its factorization.

272620213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9400726.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 272620213 is about 16511.2147645169. The cubic root of 272620213 is about 648.4144495020.

Adding to 272620213 its reverse (312026272), we get a palindrome (584646485).

The spelling of 272620213 in words is "two hundred seventy-two million, six hundred twenty thousand, two hundred thirteen".