42339473 has 6 divisors (see below), whose sum is σ = 46538562. Its totient is φ = 38490320.

The previous prime is 42339463. The next prime is 42339487. The reversal of 42339473 is 37493324.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 23746129 + 18593344 = 4873^2 + 4312^2 .

It is not a de Polignac number, because 42339473 - 2¹⁶ = 42273937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42339463) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 174836 + ... + 175077.

It is an arithmetic number, because the mean of its divisors is an integer number (7756427).

Almost surely, 2^42339473 is an apocalyptic number.

It is an amenable number.

42339473 is a deficient number, since it is larger than the sum of its proper divisors (4199089).

42339473 is a wasteful number, since it uses less digits than its factorization.

42339473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349935 (or 349924 counting only the distinct ones).

The product of its digits is 54432, while the sum is 35.

The square root of 42339473 is about 6506.8788985196. The cubic root of 42339473 is about 348.5366741353.

The spelling of 42339473 in words is "forty-two million, three hundred thirty-nine thousand, four hundred seventy-three".