272730109 has 2 divisors, whose sum is σ = 272730110. Its totient is φ = 272730108.

The previous prime is 272730089. The next prime is 272730119. The reversal of 272730109 is 901037272.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 189062500 + 83667609 = 13750^2 + 9147^2 .

It is a cyclic number.

It is not a de Polignac number, because 272730109 - 2⁷ = 272729981 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (272730119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136365054 + 136365055.

It is an arithmetic number, because the mean of its divisors is an integer number (136365055).

Almost surely, 2^272730109 is an apocalyptic number.

It is an amenable number.

272730109 is a deficient number, since it is larger than the sum of its proper divisors (1).

272730109 is an equidigital number, since it uses as much as digits as its factorization.

272730109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 272730109 is about 16514.5423490934. The cubic root of 272730109 is about 648.5015652991.

The spelling of 272730109 in words is "two hundred seventy-two million, seven hundred thirty thousand, one hundred nine".