272516749 has 4 divisors (see below), whose sum is σ = 288547164. Its totient is φ = 256486336.

The previous prime is 272516743. The next prime is 272516759. The reversal of 272516749 is 947615272.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 105719524 + 166797225 = 10282^2 + 12915^2 .

It is a cyclic number.

It is not a de Polignac number, because 272516749 - 2¹⁷ = 272385677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272516743) 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 3 ways as a sum of consecutive naturals, for example, 8015182 + ... + 8015215.

It is an arithmetic number, because the mean of its divisors is an integer number (72136791).

Almost surely, 2^272516749 is an apocalyptic number.

It is an amenable number.

272516749 is a deficient number, since it is larger than the sum of its proper divisors (16030415).

272516749 is a wasteful number, since it uses less digits than its factorization.

272516749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16030414.

The product of its digits is 211680, while the sum is 43.

The square root of 272516749 is about 16508.0813240061. The cubic root of 272516749 is about 648.3324110248.

The spelling of 272516749 in words is "two hundred seventy-two million, five hundred sixteen thousand, seven hundred forty-nine".