42671366 has 4 divisors (see below), whose sum is σ = 64007052. Its totient is φ = 21335682.

The previous prime is 42671353. The next prime is 42671381. The reversal of 42671366 is 66317624.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10667840 + ... + 10667843.

It is an arithmetic number, because the mean of its divisors is an integer number (16001763).

Almost surely, 2^42671366 is an apocalyptic number.

42671366 is a deficient number, since it is larger than the sum of its proper divisors (21335686).

42671366 is a wasteful number, since it uses less digits than its factorization.

42671366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21335685.

The product of its digits is 36288, while the sum is 35.

The square root of 42671366 is about 6532.3323552924. The cubic root of 42671366 is about 349.4450143167.

The spelling of 42671366 in words is "forty-two million, six hundred seventy-one thousand, three hundred sixty-six".