42706705 has 8 divisors (see below), whose sum is σ = 53015400. Its totient is φ = 32987136.

The previous prime is 42706693. The next prime is 42706717. The reversal of 42706705 is 50760724.

It is an interprime number because it is at equal distance from previous prime (42706693) and next prime (42706717).

It can be written as a sum of positive squares in 4 ways, for example, as 104976 + 42601729 = 324^2 + 6527^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 42706705 - 2⁵ = 42706673 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147120 + ... + 147409.

It is an arithmetic number, because the mean of its divisors is an integer number (6626925).

Almost surely, 2^42706705 is an apocalyptic number.

It is an amenable number.

42706705 is a deficient number, since it is larger than the sum of its proper divisors (10308695).

42706705 is a wasteful number, since it uses less digits than its factorization.

42706705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294563.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 42706705 is about 6535.0367252220. The cubic root of 42706705 is about 349.5414539284.

The spelling of 42706705 in words is "forty-two million, seven hundred six thousand, seven hundred five".