275120617272 has 32 divisors (see below), whose sum is σ = 724001625600. Its totient is φ = 86880194784.

The previous prime is 275120617259. The next prime is 275120617297. The reversal of 275120617272 is 272716021572.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 301666888 + ... + 301667799.

It is an arithmetic number, because the mean of its divisors is an integer number (22625050800).

Almost surely, 2^275120617272 is an apocalyptic number.

It is an amenable number.

275120617272 is an abundant number, since it is smaller than the sum of its proper divisors (448881008328).

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

275120617272 is a wasteful number, since it uses less digits than its factorization.

275120617272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603334715 (or 603334711 counting only the distinct ones).

The product of its (nonzero) digits is 164640, while the sum is 42.

The spelling of 275120617272 in words is "two hundred seventy-five billion, one hundred twenty million, six hundred seventeen thousand, two hundred seventy-two".