275090000 has 50 divisors (see below), whose sum is σ = 666044610. Its totient is φ = 110032000.

The previous prime is 275089987. The next prime is 275090003. The reversal of 275090000 is 90572.

It can be written as a sum of positive squares in 5 ways, for example, as 183006784 + 92083216 = 13528^2 + 9596^2 .

It is a tau number, because it is divible by the number of its divisors (50).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275090003) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3755 + ... + 23754.

Almost surely, 2^275090000 is an apocalyptic number.

275090000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

275090000 is an abundant number, since it is smaller than the sum of its proper divisors (390954610).

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

275090000 is an equidigital number, since it uses as much as digits as its factorization.

275090000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27537 (or 27516 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 275090000 is about 16585.8373318925. The cubic root of 275090000 is about 650.3666570397.

The spelling of 275090000 in words is "two hundred seventy-five million, ninety thousand".