263728272 has 20 divisors (see below), whose sum is σ = 681298160. Its totient is φ = 87909408.

The previous prime is 263728261. The next prime is 263728301. The reversal of 263728272 is 272827362.

It is a self number, because there is not a number n which added to its sum of digits gives 263728272.

It is an unprimeable number.

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, 2747122 + ... + 2747217.

It is an arithmetic number, because the mean of its divisors is an integer number (34064908).

Almost surely, 2^263728272 is an apocalyptic number.

It is an amenable number.

263728272 is an abundant number, since it is smaller than the sum of its proper divisors (417569888).

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

263728272 is a wasteful number, since it uses less digits than its factorization.

263728272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5494350 (or 5494344 counting only the distinct ones).

The product of its digits is 112896, while the sum is 39.

The square root of 263728272 is about 16239.7128053423. The cubic root of 263728272 is about 641.2866952695.

The spelling of 263728272 in words is "two hundred sixty-three million, seven hundred twenty-eight thousand, two hundred seventy-two".