42657343 has 8 divisors (see below), whose sum is σ = 43853040. Its totient is φ = 41469120.

The previous prime is 42657323. The next prime is 42657379. The reversal of 42657343 is 34375624.

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 42657343 - 2¹³ = 42649151 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42657299 and 42657308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42657313) 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, 10893 + ... + 14281.

It is an arithmetic number, because the mean of its divisors is an integer number (5481630).

Almost surely, 2^42657343 is an apocalyptic number.

42657343 is a deficient number, since it is larger than the sum of its proper divisors (1195697).

42657343 is a wasteful number, since it uses less digits than its factorization.

42657343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3737.

The product of its digits is 60480, while the sum is 34.

The square root of 42657343 is about 6531.2589138695. The cubic root of 42657343 is about 349.4067309995.

The spelling of 42657343 in words is "forty-two million, six hundred fifty-seven thousand, three hundred forty-three".