42284743 has 4 divisors (see below), whose sum is σ = 42347880. Its totient is φ = 42221608.

The previous prime is 42284731. The next prime is 42284771. The reversal of 42284743 is 34748224.

42284743 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 42284743 - 2²⁵ = 8730311 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42284699 and 42284708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42284843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30553 + ... + 31906.

It is an arithmetic number, because the mean of its divisors is an integer number (10586970).

Almost surely, 2^42284743 is an apocalyptic number.

42284743 is a deficient number, since it is larger than the sum of its proper divisors (63137).

42284743 is an equidigital number, since it uses as much as digits as its factorization.

42284743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63136.

The product of its digits is 43008, while the sum is 34.

The square root of 42284743 is about 6502.6719892672. The cubic root of 42284743 is about 348.3864310644.

The spelling of 42284743 in words is "forty-two million, two hundred eighty-four thousand, seven hundred forty-three".