42748 has 6 divisors (see below), whose sum is σ = 74816. Its totient is φ = 21372.

The previous prime is 42743. The next prime is 42751. The reversal of 42748 is 84724.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5340 + ... + 5347.

2⁴²⁷⁴⁸ is an apocalyptic number.

It is an amenable number.

42748 is a deficient number, since it is larger than the sum of its proper divisors (32068).

42748 is a wasteful number, since it uses less digits than its factorization.

42748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10691 (or 10689 counting only the distinct ones).

The product of its digits is 1792, while the sum is 25.

The square root of 42748 is about 206.7558947165. The cubic root of 42748 is about 34.9654079994.

The spelling of 42748 in words is "forty-two thousand, seven hundred forty-eight".