47242 has 16 divisors (see below), whose sum is σ = 80640. Its totient is φ = 20592.

The previous prime is 47237. The next prime is 47251. The reversal of 47242 is 24274.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 559 + ... + 637.

It is an arithmetic number, because the mean of its divisors is an integer number (5040).

2⁴⁷²⁴² is an apocalyptic number.

47242 is a deficient number, since it is larger than the sum of its proper divisors (33398).

47242 is a wasteful number, since it uses less digits than its factorization.

47242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117.

The product of its digits is 448, while the sum is 19.

The square root of 47242 is about 217.3522486656. The cubic root of 47242 is about 36.1500935154.

It can be divided in two parts, 47 and 242, that added together give a square (289 = 17²).

The spelling of 47242 in words is "forty-seven thousand, two hundred forty-two", and thus it is an iban number.