71022006 has 24 divisors (see below), whose sum is σ = 167870664. Its totient is φ = 21521760.

The previous prime is 71022001. The next prime is 71022041. The reversal of 71022006 is 60022017.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 71022006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71022001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 179151 + ... + 179546.

It is an arithmetic number, because the mean of its divisors is an integer number (6994611).

Almost surely, 2^71022006 is an apocalyptic number.

71022006 is an abundant number, since it is smaller than the sum of its proper divisors (96848658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71022006 is a wasteful number, since it uses less digits than its factorization.

71022006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358716 (or 358713 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 71022006 is about 8427.4554878682. The cubic root of 71022006 is about 414.1245511971.

The spelling of 71022006 in words is "seventy-one million, twenty-two thousand, six".