71310064 has 20 divisors (see below), whose sum is σ = 157901104. Its totient is φ = 30561408.

The previous prime is 71310011. The next prime is 71310067. The reversal of 71310064 is 46001317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71310067) 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, 318237 + ... + 318460.

Almost surely, 2^71310064 is an apocalyptic number.

It is an amenable number.

71310064 is an abundant number, since it is smaller than the sum of its proper divisors (86591040).

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

71310064 is a wasteful number, since it uses less digits than its factorization.

71310064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636712 (or 636706 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 71310064 is about 8444.5286428551. The cubic root of 71310064 is about 414.6836782458.

The spelling of 71310064 in words is "seventy-one million, three hundred ten thousand, sixty-four".