42711047 has 2 divisors, whose sum is σ = 42711048. Its totient is φ = 42711046.

The previous prime is 42711001. The next prime is 42711073. The reversal of 42711047 is 74011724.

It is an a-pointer prime, because the next prime (42711073) can be obtained adding 42711047 to its sum of digits (26).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42711047 - 2⁸ = 42710791 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42711077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21355523 + 21355524.

It is an arithmetic number, because the mean of its divisors is an integer number (21355524).

Almost surely, 2^42711047 is an apocalyptic number.

42711047 is a deficient number, since it is larger than the sum of its proper divisors (1).

42711047 is an equidigital number, since it uses as much as digits as its factorization.

42711047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 42711047 is about 6535.3689260821. The cubic root of 42711047 is about 349.5532995122.

The spelling of 42711047 in words is "forty-two million, seven hundred eleven thousand, forty-seven".