200742 has 8 divisors (see below), whose sum is σ = 401496. Its totient is φ = 66912.

The previous prime is 200731. The next prime is 200771. The reversal of 200742 is 247002.

It is a sphenic number, since it is the product of 3 distinct primes.

200742 is an admirable number.

It is an Ulam number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 200742.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16723 + ... + 16734.

It is an arithmetic number, because the mean of its divisors is an integer number (50187).

2²⁰⁰⁷⁴² is an apocalyptic number.

200742 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

200742 is a wasteful number, since it uses less digits than its factorization.

200742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33462.

The product of its (nonzero) digits is 112, while the sum is 15.

The square root of 200742 is about 448.0424087070. The cubic root of 200742 is about 58.5525862169.

Adding to 200742 its reverse (247002), we get a palindrome (447744).

The spelling of 200742 in words is "two hundred thousand, seven hundred forty-two", and thus it is an iban number.