272104905 has 16 divisors (see below), whose sum is σ = 445987584. Its totient is φ = 141582720.

The previous prime is 272104901. The next prime is 272104913. The reversal of 272104905 is 509401272.

It is not a de Polignac number, because 272104905 - 2² = 272104901 is a prime.

It is not an unprimeable number, because it can be changed into a prime (272104901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220609 + ... + 221838.

It is an arithmetic number, because the mean of its divisors is an integer number (27874224).

Almost surely, 2^272104905 is an apocalyptic number.

It is an amenable number.

272104905 is a deficient number, since it is larger than the sum of its proper divisors (173882679).

272104905 is a wasteful number, since it uses less digits than its factorization.

272104905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442496.

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

The square root of 272104905 is about 16495.6025958435. The cubic root of 272104905 is about 648.0056464795.

The spelling of 272104905 in words is "two hundred seventy-two million, one hundred four thousand, nine hundred five".