272193409 has 8 divisors (see below), whose sum is σ = 288368640. Its totient is φ = 256036416.

The previous prime is 272193401. The next prime is 272193419. The reversal of 272193409 is 904391272.

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 272193409 - 2³ = 272193401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (272193401) 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, 37152 + ... + 43870.

It is an arithmetic number, because the mean of its divisors is an integer number (36046080).

Almost surely, 2^272193409 is an apocalyptic number.

It is an amenable number.

272193409 is a deficient number, since it is larger than the sum of its proper divisors (16175231).

272193409 is a wasteful number, since it uses less digits than its factorization.

272193409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9119.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 272193409 is about 16498.2850320874. The cubic root of 272193409 is about 648.0758949681.

It can be divided in two parts, 27219 and 3409, that added together give a triangular number (30628 = T₂₄₇).

The spelling of 272193409 in words is "two hundred seventy-two million, one hundred ninety-three thousand, four hundred nine".