42831273 has 8 divisors (see below), whose sum is σ = 57259008. Its totient is φ = 28478864.

The previous prime is 42831253. The next prime is 42831293. The reversal of 42831273 is 37213824.

42831273 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (42831253) and next prime (42831293).

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

It is a cyclic number.

It is not a de Polignac number, because 42831273 - 2⁶ = 42831209 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 42831273.

It is not an unprimeable number, because it can be changed into a prime (42831203) 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, 17490 + ... + 19787.

It is an arithmetic number, because the mean of its divisors is an integer number (7157376).

Almost surely, 2^42831273 is an apocalyptic number.

It is an amenable number.

42831273 is a deficient number, since it is larger than the sum of its proper divisors (14427735).

42831273 is a wasteful number, since it uses less digits than its factorization.

42831273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37663.

The product of its digits is 8064, while the sum is 30.

The square root of 42831273 is about 6544.5605658440. The cubic root of 42831273 is about 349.8809744932.

The spelling of 42831273 in words is "forty-two million, eight hundred thirty-one thousand, two hundred seventy-three".