34742 has 8 divisors (see below), whose sum is σ = 54000. Its totient is φ = 16744.

The previous prime is 34739. The next prime is 34747. The reversal of 34742 is 24743.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34747) 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, 242 + ... + 357.

It is an arithmetic number, because the mean of its divisors is an integer number (6750).

2³⁴⁷⁴² is an apocalyptic number.

34742 is a deficient number, since it is larger than the sum of its proper divisors (19258).

34742 is a wasteful number, since it uses less digits than its factorization.

34742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630.

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

The square root of 34742 is about 186.3920599167. The cubic root of 34742 is about 32.6300900246.

Subtracting from 34742 its reverse (24743), we obtain a palindrome (9999).

The spelling of 34742 in words is "thirty-four thousand, seven hundred forty-two".