42706 has 8 divisors (see below), whose sum is σ = 64944. Its totient is φ = 21060.

The previous prime is 42703. The next prime is 42709. The reversal of 42706 is 60724.

42706 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (42703) and next prime (42709).

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

It is not an unprimeable number, because it can be changed into a prime (42701) 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, 181 + ... + 343.

It is an arithmetic number, because the mean of its divisors is an integer number (8118).

2⁴²⁷⁰⁶ is an apocalyptic number.

42706 is the 131-st heptagonal number.

42706 is a deficient number, since it is larger than the sum of its proper divisors (22238).

42706 is a wasteful number, since it uses less digits than its factorization.

42706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 42706 is about 206.6543007053. The cubic root of 42706 is about 34.9539530514.

The spelling of 42706 in words is "forty-two thousand, seven hundred six".