42957
42957 is a natural number that follows 42956 and precedes 42958. It is an odd composite number with prime factorization 3^3 × 37 × 43. Consequently it is divisible by 9 and by 27, and the quotient when divided by 27 is 1591. The digit sum is 27, so 42957 is a Harshad (Niven) number in base 10. Its digital root is 9.
In decimal, its digits are 4, 2, 9, 5, and 7, giving a digit-sum of 27 and