275000004 has 18 divisors (see below), whose sum is σ = 695138990. Its totient is φ = 91666656.

The previous prime is 274999993. The next prime is 275000051. The reversal of 275000004 is 400000572.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 244859904 + 30140100 = 15648^2 + 5490^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3819409 + ... + 3819480.

Almost surely, 2^275000004 is an apocalyptic number.

It is an amenable number.

275000004 is an abundant number, since it is smaller than the sum of its proper divisors (420138986).

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

275000004 is a wasteful number, since it uses less digits than its factorization.

275000004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7638899 (or 7638894 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 18.

The square root of 275000004 is about 16583.1240723815. The cubic root of 275000004 is about 650.2957265786.

Adding to 275000004 its reverse (400000572), we get a palindrome (675000576).

The spelling of 275000004 in words is "two hundred seventy-five million, four", and thus it is an aban number.