272671749 has 12 divisors (see below), whose sum is σ = 450124896. Its totient is φ = 155812392.

The previous prime is 272671747. The next prime is 272671757. The reversal of 272671749 is 947176272.

It is not a de Polignac number, because 272671749 - 2¹ = 272671747 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272671741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2163999 + ... + 2164124.

It is an arithmetic number, because the mean of its divisors is an integer number (37510408).

Almost surely, 2^272671749 is an apocalyptic number.

It is an amenable number.

272671749 is a deficient number, since it is larger than the sum of its proper divisors (177453147).

272671749 is a wasteful number, since it uses less digits than its factorization.

272671749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4328136 (or 4328133 counting only the distinct ones).

The product of its digits is 296352, while the sum is 45.

The square root of 272671749 is about 16512.7753270006. The cubic root of 272671749 is about 648.4553055843.

The spelling of 272671749 in words is "two hundred seventy-two million, six hundred seventy-one thousand, seven hundred forty-nine".