275308028 has 12 divisors (see below), whose sum is σ = 485467752. Its totient is φ = 136602960.

The previous prime is 275308003. The next prime is 275308057. The reversal of 275308028 is 820803572.

It is a happy number.

275308028 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 262175 + ... + 263222.

It is an arithmetic number, because the mean of its divisors is an integer number (40455646).

Almost surely, 2^275308028 is an apocalyptic number.

It is an amenable number.

275308028 is a deficient number, since it is larger than the sum of its proper divisors (210159724).

275308028 is a wasteful number, since it uses less digits than its factorization.

275308028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525532 (or 525530 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 275308028 is about 16592.4087461706. The cubic root of 275308028 is about 650.5384319695.

The spelling of 275308028 in words is "two hundred seventy-five million, three hundred eight thousand, twenty-eight".