42171662 has 32 divisors (see below), whose sum is σ = 73174752. Its totient is φ = 18054144.

The previous prime is 42171631. The next prime is 42171677. The reversal of 42171662 is 26617124.

42171662 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31613 + ... + 32919.

It is an arithmetic number, because the mean of its divisors is an integer number (2286711).

Almost surely, 2^42171662 is an apocalyptic number.

42171662 is a deficient number, since it is larger than the sum of its proper divisors (31003090).

42171662 is a wasteful number, since it uses less digits than its factorization.

42171662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1412.

The product of its digits is 4032, while the sum is 29.

The square root of 42171662 is about 6493.9712041246. The cubic root of 42171662 is about 348.0755935222.

Adding to 42171662 its reverse (26617124), we get a palindrome (68788786).

The spelling of 42171662 in words is "forty-two million, one hundred seventy-one thousand, six hundred sixty-two".