282742 has 4 divisors (see below), whose sum is σ = 424116. Its totient is φ = 141370.

The previous prime is 282713. The next prime is 282767. The reversal of 282742 is 247282.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

282742 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70684 + ... + 70687.

It is an arithmetic number, because the mean of its divisors is an integer number (106029).

2²⁸²⁷⁴² is an apocalyptic number.

282742 is a deficient number, since it is larger than the sum of its proper divisors (141374).

282742 is a wasteful number, since it uses less digits than its factorization.

282742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141373.

The product of its digits is 1792, while the sum is 25.

The square root of 282742 is about 531.7348963534. The cubic root of 282742 is about 65.6341867713.

It can be divided in two parts, 282 and 742, that added together give a 10-th power (1024 = 2¹⁰).

The spelling of 282742 in words is "two hundred eighty-two thousand, seven hundred forty-two".