42662671 has 2 divisors, whose sum is σ = 42662672. Its totient is φ = 42662670.

The previous prime is 42662651. The next prime is 42662687. The reversal of 42662671 is 17626624.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42662671 - 2¹⁵ = 42629903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42662611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21331335 + 21331336.

It is an arithmetic number, because the mean of its divisors is an integer number (21331336).

Almost surely, 2^42662671 is an apocalyptic number.

42662671 is a deficient number, since it is larger than the sum of its proper divisors (1).

42662671 is an equidigital number, since it uses as much as digits as its factorization.

42662671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 34.

The square root of 42662671 is about 6531.6667857447. Note that the first 3 decimals coincide. The cubic root of 42662671 is about 349.4212776279.

The spelling of 42662671 in words is "forty-two million, six hundred sixty-two thousand, six hundred seventy-one".