275230290 has 32 divisors (see below), whose sum is σ = 662685696. Its totient is φ = 73157760.

The previous prime is 275230279. The next prime is 275230301. The reversal of 275230290 is 92032572.

It is a happy number.

275230290 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 (275230279) and next prime (275230301).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5266 + ... + 24045.

It is an arithmetic number, because the mean of its divisors is an integer number (20708928).

Almost surely, 2^275230290 is an apocalyptic number.

275230290 is an abundant number, since it is smaller than the sum of its proper divisors (387455406).

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

275230290 is a wasteful number, since it uses less digits than its factorization.

275230290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29634.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 275230290 is about 16590.0660034853. The cubic root of 275230290 is about 650.4771959331.

The spelling of 275230290 in words is "two hundred seventy-five million, two hundred thirty thousand, two hundred ninety".