42047167 has 2 divisors, whose sum is σ = 42047168. Its totient is φ = 42047166.

The previous prime is 42047147. The next prime is 42047183. The reversal of 42047167 is 76174024.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42047167 is a prime.

It is a super-4 number, since 4×42047167⁴ (a number of 32 digits) contains 4444 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42047107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21023583 + 21023584.

It is an arithmetic number, because the mean of its divisors is an integer number (21023584).

Almost surely, 2^42047167 is an apocalyptic number.

42047167 is a deficient number, since it is larger than the sum of its proper divisors (1).

42047167 is an equidigital number, since it uses as much as digits as its factorization.

42047167 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 42047167 is about 6484.3786903604. The cubic root of 42047167 is about 347.7327378318.

The spelling of 42047167 in words is "forty-two million, forty-seven thousand, one hundred sixty-seven".