272476665 has 12 divisors (see below), whose sum is σ = 472292964. Its totient is φ = 145320864.

The previous prime is 272476649. The next prime is 272476667. The reversal of 272476665 is 566674272.

It can be written as a sum of positive squares in 2 ways, for example, as 110754576 + 161722089 = 10524^2 + 12717^2 .

It is not a de Polignac number, because 272476665 - 2⁴ = 272476649 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 6055037 = 272476665 / (2 + 7 + 2 + 4 + 7 + 6 + 6 + 6 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 272476665.

It is not an unprimeable number, because it can be changed into a prime (272476667) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3027474 + ... + 3027563.

It is an arithmetic number, because the mean of its divisors is an integer number (39357747).

Almost surely, 2^272476665 is an apocalyptic number.

It is an amenable number.

272476665 is a deficient number, since it is larger than the sum of its proper divisors (199816299).

272476665 is a wasteful number, since it uses less digits than its factorization.

272476665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6055048 (or 6055045 counting only the distinct ones).

The product of its digits is 846720, while the sum is 45.

The square root of 272476665 is about 16506.8672073171. The cubic root of 272476665 is about 648.3006221156.

The spelling of 272476665 in words is "two hundred seventy-two million, four hundred seventy-six thousand, six hundred sixty-five".