272276649 has 12 divisors (see below), whose sum is σ = 395008900. Its totient is φ = 180723744.

The previous prime is 272276647. The next prime is 272276663. The reversal of 272276649 is 946672272.

It can be written as a sum of positive squares in 2 ways, for example, as 240467049 + 31809600 = 15507^2 + 5640^2 .

It is not a de Polignac number, because 272276649 - 2¹ = 272276647 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (272276647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63994 + ... + 68115.

Almost surely, 2^272276649 is an apocalyptic number.

It is an amenable number.

272276649 is a deficient number, since it is larger than the sum of its proper divisors (122732251).

272276649 is a wasteful number, since it uses less digits than its factorization.

272276649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132344 (or 132341 counting only the distinct ones).

The product of its digits is 508032, while the sum is 45.

The square root of 272276649 is about 16500.8075256940. The cubic root of 272276649 is about 648.1419513549.

The spelling of 272276649 in words is "two hundred seventy-two million, two hundred seventy-six thousand, six hundred forty-nine".