275917028 has 6 divisors (see below), whose sum is σ = 482854806. Its totient is φ = 137958512.

The previous prime is 275917027. The next prime is 275917043. The reversal of 275917028 is 820719572.

It can be written as a sum of positive squares in only one way, i.e., 201129124 + 74787904 = 14182^2 + 8648^2 .

It is a super-2 number, since 2×275917028² = 152260412680705568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (275917027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34489625 + ... + 34489632.

It is an arithmetic number, because the mean of its divisors is an integer number (80475801).

Almost surely, 2^275917028 is an apocalyptic number.

It is an amenable number.

275917028 is a deficient number, since it is larger than the sum of its proper divisors (206937778).

275917028 is a wasteful number, since it uses less digits than its factorization.

275917028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68979261 (or 68979259 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 41.

The square root of 275917028 is about 16610.7503743810. The cubic root of 275917028 is about 651.0177570638.

The spelling of 275917028 in words is "two hundred seventy-five million, nine hundred seventeen thousand, twenty-eight".