71022064 has 20 divisors (see below), whose sum is σ = 137971080. Its totient is φ = 35416640.

The previous prime is 71022053. The next prime is 71022071. The reversal of 71022064 is 46022017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 519 + ... + 11929.

It is an arithmetic number, because the mean of its divisors is an integer number (6898554).

Almost surely, 2^71022064 is an apocalyptic number.

It is an amenable number.

71022064 is a deficient number, since it is larger than the sum of its proper divisors (66949016).

71022064 is a wasteful number, since it uses less digits than its factorization.

71022064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11808 (or 11802 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 71022064 is about 8427.4589290011. The cubic root of 71022064 is about 414.1246639284.

The spelling of 71022064 in words is "seventy-one million, twenty-two thousand, sixty-four".