42338473 has 2 divisors, whose sum is σ = 42338474. Its totient is φ = 42338472.

The previous prime is 42338447. The next prime is 42338489. The reversal of 42338473 is 37483324.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26081449 + 16257024 = 5107^2 + 4032^2 .

It is a cyclic number.

It is not a de Polignac number, because 42338473 - 2⁹ = 42337961 is a prime.

It is not a weakly prime, because it can be changed into another prime (42338873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21169236 + 21169237.

It is an arithmetic number, because the mean of its divisors is an integer number (21169237).

Almost surely, 2^42338473 is an apocalyptic number.

It is an amenable number.

42338473 is a deficient number, since it is larger than the sum of its proper divisors (1).

42338473 is an equidigital number, since it uses as much as digits as its factorization.

42338473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 34.

The square root of 42338473 is about 6506.8020563100. The cubic root of 42338473 is about 348.5339301284.

The spelling of 42338473 in words is "forty-two million, three hundred thirty-eight thousand, four hundred seventy-three".