42374 has 4 divisors (see below), whose sum is σ = 63564. Its totient is φ = 21186.

The previous prime is 42373. The next prime is 42379. The reversal of 42374 is 47324.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10592 + ... + 10595.

It is an arithmetic number, because the mean of its divisors is an integer number (15891).

2⁴²³⁷⁴ is an apocalyptic number.

42374 is a deficient number, since it is larger than the sum of its proper divisors (21190).

42374 is a wasteful number, since it uses less digits than its factorization.

42374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21189.

The product of its digits is 672, while the sum is 20.

The square root of 42374 is about 205.8494595572. The cubic root of 42374 is about 34.8631389974.

Adding to 42374 its reverse (47324), we get a palindrome (89698).

Subtracting 42374 from its reverse (47324), we obtain a triangular number (4950 = T₉₉).

The spelling of 42374 in words is "forty-two thousand, three hundred seventy-four", and thus it is an iban number.