275630290 has 32 divisors (see below), whose sum is σ = 547340976. Its totient is φ = 99287040.

The previous prime is 275630287. The next prime is 275630293. The reversal of 275630290 is 92036572.

It is a happy number.

275630290 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (275630287) and next prime (275630293).

It can be written as a sum of positive squares in 8 ways, for example, as 28291761 + 247338529 = 5319^2 + 15727^2 .

It is not an unprimeable number, because it can be changed into a prime (275630293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20527 + ... + 31186.

Almost surely, 2^275630290 is an apocalyptic number.

275630290 is a deficient number, since it is larger than the sum of its proper divisors (271710686).

275630290 is a wasteful number, since it uses less digits than its factorization.

275630290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51774.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 275630290 is about 16602.1170336798. The cubic root of 275630290 is about 650.7921623956.

The spelling of 275630290 in words is "two hundred seventy-five million, six hundred thirty thousand, two hundred ninety".