42474 has 8 divisors (see below), whose sum is σ = 84960. Its totient is φ = 14156.

The previous prime is 42473. The next prime is 42487. The reversal of 42474 is 47424.

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

42474 is an admirable number.

It is a plaindrome in base 7 and base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 42474.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 42474.

It is not an unprimeable number, because it can be changed into a prime (42473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3534 + ... + 3545.

It is an arithmetic number, because the mean of its divisors is an integer number (10620).

2⁴²⁴⁷⁴ is an apocalyptic number.

42474 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42480).

42474 is a wasteful number, since it uses less digits than its factorization.

42474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7084.

The product of its digits is 896, while the sum is 21.

The square root of 42474 is about 206.0922123711. The cubic root of 42474 is about 34.8905423973.

Adding to 42474 its reverse (47424), we get a palindrome (89898).

Subtracting 42474 from its reverse (47424), we obtain a triangular number (4950 = T₉₉).

The spelling of 42474 in words is "forty-two thousand, four hundred seventy-four", and thus it is an iban number.