42706811 has 4 divisors (see below), whose sum is σ = 48807792. Its totient is φ = 36605832.

The previous prime is 42706799. The next prime is 42706913. The reversal of 42706811 is 11860724.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42706811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42706211) 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, 3050480 + ... + 3050493.

It is an arithmetic number, because the mean of its divisors is an integer number (12201948).

Almost surely, 2^42706811 is an apocalyptic number.

42706811 is a deficient number, since it is larger than the sum of its proper divisors (6100981).

42706811 is an equidigital number, since it uses as much as digits as its factorization.

42706811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6100980.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 42706811 is about 6535.0448353473. The cubic root of 42706811 is about 349.5417431208.

The spelling of 42706811 in words is "forty-two million, seven hundred six thousand, eight hundred eleven".