275620896 has 72 divisors (see below), whose sum is σ = 792677340. Its totient is φ = 90832896.

The previous prime is 275620889. The next prime is 275620909. The reversal of 275620896 is 698026572.

275620896 is a `hidden beast` number, since 2 + 7 + 562 + 0 + 89 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 272250000 + 3370896 = 16500^2 + 1836^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20256 + ... + 31008.

Almost surely, 2^275620896 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 275620896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (396338670).

275620896 is an abundant number, since it is smaller than the sum of its proper divisors (517056444).

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

275620896 is a wasteful number, since it uses less digits than its factorization.

275620896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10858 (or 10847 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 275620896 is about 16601.8341155428. The cubic root of 275620896 is about 650.7847689036.

The spelling of 275620896 in words is "two hundred seventy-five million, six hundred twenty thousand, eight hundred ninety-six".