272105904 has 40 divisors (see below), whose sum is σ = 803361280. Its totient is φ = 77744448.

The previous prime is 272105903. The next prime is 272105929. The reversal of 272105904 is 409501272.

It is not an unprimeable number, because it can be changed into a prime (272105903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 404584 + ... + 405255.

It is an arithmetic number, because the mean of its divisors is an integer number (20084032).

Almost surely, 2^272105904 is an apocalyptic number.

272105904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

272105904 is an abundant number, since it is smaller than the sum of its proper divisors (531255376).

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

272105904 is a wasteful number, since it uses less digits than its factorization.

272105904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809857 (or 809851 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 272105904 is about 16495.6328766131. The cubic root of 272105904 is about 648.0064395031.

The spelling of 272105904 in words is "two hundred seventy-two million, one hundred five thousand, nine hundred four".