2725761266 has 16 divisors (see below), whose sum is σ = 4336482744. Its totient is φ = 1280538624.

The previous prime is 2725761263. The next prime is 2725761281. The reversal of 2725761266 is 6621675272.

It can be written as a sum of positive squares in 4 ways, for example, as 2722230625 + 3530641 = 52175^2 + 1879^2 .

It is not an unprimeable number, because it can be changed into a prime (2725761263) 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 7 ways as a sum of consecutive naturals, for example, 47435 + ... + 87758.

Almost surely, 2^2725761266 is an apocalyptic number.

2725761266 is a deficient number, since it is larger than the sum of its proper divisors (1610721478).

2725761266 is a wasteful number, since it uses less digits than its factorization.

2725761266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135805.

The product of its digits is 423360, while the sum is 44.

The square root of 2725761266 is about 52208.8236412199. The cubic root of 2725761266 is about 1396.8912766270.

The spelling of 2725761266 in words is "two billion, seven hundred twenty-five million, seven hundred sixty-one thousand, two hundred sixty-six".