272945238 has 16 divisors (see below), whose sum is σ = 547908096. Its totient is φ = 90645480.

The previous prime is 272945227. The next prime is 272945243. The reversal of 272945238 is 832549272.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 272945238.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82306 + ... + 85557.

It is an arithmetic number, because the mean of its divisors is an integer number (34244256).

Almost surely, 2^272945238 is an apocalyptic number.

272945238 is an abundant number, since it is smaller than the sum of its proper divisors (274962858).

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

272945238 is a wasteful number, since it uses less digits than its factorization.

272945238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168139.

The product of its digits is 241920, while the sum is 42.

The square root of 272945238 is about 16521.0543852382. The cubic root of 272945238 is about 648.6720327596.

The spelling of 272945238 in words is "two hundred seventy-two million, nine hundred forty-five thousand, two hundred thirty-eight".