71865106 has 8 divisors (see below), whose sum is σ = 113471280. Its totient is φ = 34041348.

The previous prime is 71865091. The next prime is 71865107. The reversal of 71865106 is 60156817.

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

It is a super-4 number, since 4×71865106⁴ (a number of 33 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (71865107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 945556 + ... + 945631.

It is an arithmetic number, because the mean of its divisors is an integer number (14183910).

Almost surely, 2^71865106 is an apocalyptic number.

71865106 is a deficient number, since it is larger than the sum of its proper divisors (41606174).

71865106 is a wasteful number, since it uses less digits than its factorization.

71865106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1891208.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 71865106 is about 8477.3289425384. The cubic root of 71865106 is about 415.7567958683.

The spelling of 71865106 in words is "seventy-one million, eight hundred sixty-five thousand, one hundred six".