200740 has 12 divisors (see below), whose sum is σ = 421596. Its totient is φ = 80288.

The previous prime is 200731. The next prime is 200771. The reversal of 200740 is 47002.

It can be written as a sum of positive squares in 2 ways, for example, as 69696 + 131044 = 264^2 + 362^2 .

200740 is a modest number, since divided by 740 gives 200 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 200740.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4999 + ... + 5038.

It is an arithmetic number, because the mean of its divisors is an integer number (35133).

2²⁰⁰⁷⁴⁰ is an apocalyptic number.

200740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200740 is an abundant number, since it is smaller than the sum of its proper divisors (220856).

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

200740 is a wasteful number, since it uses less digits than its factorization.

200740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10046 (or 10044 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 13.

The square root of 200740 is about 448.0401767699. The cubic root of 200740 is about 58.5523917624.

Adding to 200740 its reverse (47002), we get a palindrome (247742).

The spelling of 200740 in words is "two hundred thousand, seven hundred forty", and thus it is an iban number.