272193805 has 8 divisors (see below), whose sum is σ = 351758232. Its totient is φ = 201004608.

The previous prime is 272193767. The next prime is 272193811. The reversal of 272193805 is 508391272.

It can be written as a sum of positive squares in 4 ways, for example, as 39112516 + 233081289 = 6254^2 + 15267^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 272193805 - 2¹¹ = 272191757 is a prime.

It is a Duffinian number.

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, 2093734 + ... + 2093863.

It is an arithmetic number, because the mean of its divisors is an integer number (43969779).

Almost surely, 2^272193805 is an apocalyptic number.

It is an amenable number.

272193805 is a deficient number, since it is larger than the sum of its proper divisors (79564427).

272193805 is a wasteful number, since it uses less digits than its factorization.

272193805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4187615.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 272193805 is about 16498.2970333304. The cubic root of 272193805 is about 648.0762092519.

The spelling of 272193805 in words is "two hundred seventy-two million, one hundred ninety-three thousand, eight hundred five".