42066343 has 8 divisors (see below), whose sum is σ = 46005120. Its totient is φ = 38146680.

The previous prime is 42066307. The next prime is 42066371. The reversal of 42066343 is 34366024.

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

It is not a de Polignac number, because 42066343 - 2²⁵ = 8511911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42066643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46 + ... + 9172.

It is an arithmetic number, because the mean of its divisors is an integer number (5750640).

Almost surely, 2^42066343 is an apocalyptic number.

42066343 is a deficient number, since it is larger than the sum of its proper divisors (3938777).

42066343 is a wasteful number, since it uses less digits than its factorization.

42066343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9557.

The product of its (nonzero) digits is 10368, while the sum is 28.

The square root of 42066343 is about 6485.8571522968. The cubic root of 42066343 is about 347.7855920431.

The spelling of 42066343 in words is "forty-two million, sixty-six thousand, three hundred forty-three".