16742 has 8 divisors (see below), whose sum is σ = 27432. Its totient is φ = 7600.
The previous prime is 16741. The next prime is 16747. The reversal of 16742 is 24761.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a d-powerful number, because it can be written as 1 + 6 + 73 + 47 + 23 .
It is a nialpdrome in base 12.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (16741) 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, 359 + ... + 402.
It is an arithmetic number, because the mean of its divisors is an integer number (3429).
216742 is an apocalyptic number.
16742 is a deficient number, since it is larger than the sum of its proper divisors (10690).
16742 is a wasteful number, since it uses less digits than its factorization.
16742 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 774.
The product of its digits is 336, while the sum is 20.
The square root of 16742 is about 129.3908806678. The cubic root of 16742 is about 25.5820756690.
The spelling of 16742 in words is "sixteen thousand, seven hundred forty-two".
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