71668022 has 8 divisors (see below), whose sum is σ = 113825736. Its totient is φ = 33726112.

The previous prime is 71668021. The next prime is 71668043. The reversal of 71668022 is 22086617.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 71668022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71668021) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 1053908 + ... + 1053975.

It is an arithmetic number, because the mean of its divisors is an integer number (14228217).

Almost surely, 2^71668022 is an apocalyptic number.

71668022 is a deficient number, since it is larger than the sum of its proper divisors (42157714).

71668022 is a wasteful number, since it uses less digits than its factorization.

71668022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2107902.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 71668022 is about 8465.6967817186. The cubic root of 71668022 is about 415.3763885800.

The spelling of 71668022 in words is "seventy-one million, six hundred sixty-eight thousand, twenty-two".