275620000 has 60 divisors (see below), whose sum is σ = 678115746. Its totient is φ = 110240000.

The previous prime is 275619991. The next prime is 275620001. The reversal of 275620000 is 26572.

It can be written as a sum of positive squares in 5 ways, for example, as 5740816 + 269879184 = 2396^2 + 16428^2 .

It is not an unprimeable number, because it can be changed into a prime (275620001) 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, 13110 + ... + 26890.

Almost surely, 2^275620000 is an apocalyptic number.

275620000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 275620000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (339057873).

275620000 is an abundant number, since it is smaller than the sum of its proper divisors (402495746).

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

275620000 is an equidigital number, since it uses as much as digits as its factorization.

275620000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13811 (or 13788 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 275620000 is about 16601.8071305506. The cubic root of 275620000 is about 650.7840637034.

Adding to 275620000 its reverse (26572), we get a palindrome (275646572).

The spelling of 275620000 in words is "two hundred seventy-five million, six hundred twenty thousand".