272090238 has 128 divisors (see below), whose sum is σ = 677376000. Its totient is φ = 72705024.

The previous prime is 272090201. The next prime is 272090239. The reversal of 272090238 is 832090272.

It is a super-2 number, since 2×272090238² = 148066195229793288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 272090199 and 272090208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272090239) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2805006 + ... + 2805102.

It is an arithmetic number, because the mean of its divisors is an integer number (5292000).

Almost surely, 2^272090238 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 272090238, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (338688000).

272090238 is an abundant number, since it is smaller than the sum of its proper divisors (405285762).

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

272090238 is a wasteful number, since it uses less digits than its factorization.

272090238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199 (or 185 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 272090238 is about 16495.1580168242. The cubic root of 272090238 is about 647.9940033358.

The spelling of 272090238 in words is "two hundred seventy-two million, ninety thousand, two hundred thirty-eight".