275003028 has 18 divisors (see below), whose sum is σ = 695146634. Its totient is φ = 91667664.

The previous prime is 275003023. The next prime is 275003081. The reversal of 275003028 is 820300572.

It can be written as a sum of positive squares in only one way, i.e., 270668304 + 4334724 = 16452^2 + 2082^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 275002992 and 275003010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275003023) 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 in 5 ways as a sum of consecutive naturals, for example, 3819451 + ... + 3819522.

Almost surely, 2^275003028 is an apocalyptic number.

It is an amenable number.

275003028 is an abundant number, since it is smaller than the sum of its proper divisors (420143606).

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

275003028 is a wasteful number, since it uses less digits than its factorization.

275003028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7638983 (or 7638978 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 275003028 is about 16583.2152491608. The cubic root of 275003028 is about 650.2981101993.

The spelling of 275003028 in words is "two hundred seventy-five million, three thousand, twenty-eight".