272772449 has 2 divisors, whose sum is σ = 272772450. Its totient is φ = 272772448.

The previous prime is 272772431. The next prime is 272772481. The reversal of 272772449 is 944277272.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 212430625 + 60341824 = 14575^2 + 7768^2 .

It is a cyclic number.

It is not a de Polignac number, because 272772449 - 2¹⁶ = 272706913 is a prime.

It is not a weakly prime, because it can be changed into another prime (272772499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136386224 + 136386225.

It is an arithmetic number, because the mean of its divisors is an integer number (136386225).

Almost surely, 2^272772449 is an apocalyptic number.

It is an amenable number.

272772449 is a deficient number, since it is larger than the sum of its proper divisors (1).

272772449 is an equidigital number, since it uses as much as digits as its factorization.

272772449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 395136, while the sum is 44.

The square root of 272772449 is about 16515.8241998394. The cubic root of 272772449 is about 648.5351224491.

The spelling of 272772449 in words is "two hundred seventy-two million, seven hundred seventy-two thousand, four hundred forty-nine".