42173343 has 6 divisors (see below), whose sum is σ = 60917064. Its totient is φ = 28115556.

The previous prime is 42173333. The next prime is 42173347. The reversal of 42173343 is 34337124.

42173343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42173343 - 2¹⁷ = 42042271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42173347) 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 5 ways as a sum of consecutive naturals, for example, 2342955 + ... + 2342972.

It is an arithmetic number, because the mean of its divisors is an integer number (10152844).

Almost surely, 2^42173343 is an apocalyptic number.

42173343 is a deficient number, since it is larger than the sum of its proper divisors (18743721).

42173343 is a wasteful number, since it uses less digits than its factorization.

42173343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4685933 (or 4685930 counting only the distinct ones).

The product of its digits is 6048, while the sum is 27.

The square root of 42173343 is about 6494.1006305723. The cubic root of 42173343 is about 348.0802183285.

The spelling of 42173343 in words is "forty-two million, one hundred seventy-three thousand, three hundred forty-three".