272775505 has 8 divisors (see below), whose sum is σ = 328636224. Its totient is φ = 217350000.

The previous prime is 272775497. The next prime is 272775509. The reversal of 272775505 is 505577272.

It is a happy number.

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

It is not a de Polignac number, because 272775505 - 2³ = 272775497 is a prime.

It is a super-2 number, since 2×272775505² = 148812952256010050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (272775509) 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, 107421 + ... + 109930.

It is an arithmetic number, because the mean of its divisors is an integer number (41079528).

Almost surely, 2^272775505 is an apocalyptic number.

It is an amenable number.

272775505 is a deficient number, since it is larger than the sum of its proper divisors (55860719).

272775505 is a wasteful number, since it uses less digits than its factorization.

272775505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217607.

The product of its (nonzero) digits is 171500, while the sum is 40.

The square root of 272775505 is about 16515.9167169128. The cubic root of 272775505 is about 648.5375443896.

The spelling of 272775505 in words is "two hundred seventy-two million, seven hundred seventy-five thousand, five hundred five".