42741 has 8 divisors (see below), whose sum is σ = 63360. Its totient is φ = 28476.
The previous prime is 42737. The next prime is 42743. The reversal of 42741 is 14724.
It is a happy number.
It is not a de Polignac number, because 42741 - 22 = 42737 is a prime.
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 in 7 ways as a sum of consecutive naturals, for example, 765 + ... + 818.
It is an arithmetic number, because the mean of its divisors is an integer number (7920).
242741 is an apocalyptic number.
It is an amenable number.
42741 is a deficient number, since it is larger than the sum of its proper divisors (20619).
42741 is a wasteful number, since it uses less digits than its factorization.
42741 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1592 (or 1586 counting only the distinct ones).
The product of its digits is 224, while the sum is 18.
The square root of 42741 is about 206.7389658482. The cubic root of 42741 is about 34.9634993626.
The spelling of 42741 in words is "forty-two thousand, seven hundred forty-one", and thus it is an iban number.
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