42530973 has 8 divisors (see below), whose sum is σ = 56743488. Its totient is φ = 28336224.

The previous prime is 42530959. The next prime is 42530989. The reversal of 42530973 is 37903524.

It is a happy number.

42530973 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42530973 - 2⁵ = 42530941 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42530953) 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 7 ways as a sum of consecutive naturals, for example, 2865 + ... + 9657.

It is an arithmetic number, because the mean of its divisors is an integer number (7092936).

Almost surely, 2^42530973 is an apocalyptic number.

It is an amenable number.

42530973 is a deficient number, since it is larger than the sum of its proper divisors (14212515).

42530973 is a wasteful number, since it uses less digits than its factorization.

42530973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8883.

The product of its (nonzero) digits is 22680, while the sum is 33.

The square root of 42530973 is about 6521.5774932144. The cubic root of 42530973 is about 349.0613570719.

The spelling of 42530973 in words is "forty-two million, five hundred thirty thousand, nine hundred seventy-three".