42729683 has 2 divisors, whose sum is σ = 42729684. Its totient is φ = 42729682.

The previous prime is 42729641. The next prime is 42729737. The reversal of 42729683 is 38692724.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42729683 - 2¹⁶ = 42664147 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42729683.

It is not a weakly prime, because it can be changed into another prime (42729083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21364841 + 21364842.

It is an arithmetic number, because the mean of its divisors is an integer number (21364842).

Almost surely, 2^42729683 is an apocalyptic number.

42729683 is a deficient number, since it is larger than the sum of its proper divisors (1).

42729683 is an equidigital number, since it uses as much as digits as its factorization.

42729683 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 41.

The square root of 42729683 is about 6536.7945508483. The cubic root of 42729683 is about 349.6041320136.

The spelling of 42729683 in words is "forty-two million, seven hundred twenty-nine thousand, six hundred eighty-three".