42046783 has 4 divisors (see below), whose sum is σ = 43874928. Its totient is φ = 40218640.

The previous prime is 42046777. The next prime is 42046793. The reversal of 42046783 is 38764024.

42046783 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 42046783 - 2²¹ = 39949631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42046793) 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, 914038 + ... + 914083.

It is an arithmetic number, because the mean of its divisors is an integer number (10968732).

Almost surely, 2^42046783 is an apocalyptic number.

42046783 is a deficient number, since it is larger than the sum of its proper divisors (1828145).

42046783 is a wasteful number, since it uses less digits than its factorization.

42046783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1828144.

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 42046783 is about 6484.3490806711. The cubic root of 42046783 is about 347.7316792605.

The spelling of 42046783 in words is "forty-two million, forty-six thousand, seven hundred eighty-three".