42783743 has 2 divisors, whose sum is σ = 42783744. Its totient is φ = 42783742.

The previous prime is 42783739. The next prime is 42783799. The reversal of 42783743 is 34738724.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42783743 - 2² = 42783739 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 42783697 and 42783706.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42783733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21391871 + 21391872.

It is an arithmetic number, because the mean of its divisors is an integer number (21391872).

Almost surely, 2^42783743 is an apocalyptic number.

42783743 is a deficient number, since it is larger than the sum of its proper divisors (1).

42783743 is an equidigital number, since it uses as much as digits as its factorization.

42783743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 112896, while the sum is 38.

The square root of 42783743 is about 6540.9282980323. The cubic root of 42783743 is about 349.7515052469.

The spelling of 42783743 in words is "forty-two million, seven hundred eighty-three thousand, seven hundred forty-three".