42073343 has 4 divisors (see below), whose sum is σ = 45309768. Its totient is φ = 38836920.

The previous prime is 42073309. The next prime is 42073349. The reversal of 42073343 is 34337024.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42073343 - 2¹⁶ = 42007807 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 (42073349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1618193 + ... + 1618218.

It is an arithmetic number, because the mean of its divisors is an integer number (11327442).

Almost surely, 2^42073343 is an apocalyptic number.

42073343 is a deficient number, since it is larger than the sum of its proper divisors (3236425).

42073343 is a wasteful number, since it uses less digits than its factorization.

42073343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3236424.

The product of its (nonzero) digits is 6048, while the sum is 26.

The square root of 42073343 is about 6486.3967655394. The cubic root of 42073343 is about 347.8048819231.

The spelling of 42073343 in words is "forty-two million, seventy-three thousand, three hundred forty-three".