272997306 has 12 divisors (see below), whose sum is σ = 591494202. Its totient is φ = 90999096.

The previous prime is 272997293. The next prime is 272997313. The reversal of 272997306 is 603799272.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 248346081 + 24651225 = 15759^2 + 4965^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7583241 + ... + 7583276.

Almost surely, 2^272997306 is an apocalyptic number.

272997306 is an abundant number, since it is smaller than the sum of its proper divisors (318496896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

272997306 is a wasteful number, since it uses less digits than its factorization.

272997306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15166525 (or 15166522 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 45.

The square root of 272997306 is about 16522.6301175085. The cubic root of 272997306 is about 648.7132777949.

It can be divided in two parts, 272 and 997306, that added together give a triangular number (997578 = T₁₄₁₂).

The spelling of 272997306 in words is "two hundred seventy-two million, nine hundred ninety-seven thousand, three hundred six".