71250712 has 16 divisors (see below), whose sum is σ = 143871840. Its totient is φ = 32884896.

The previous prime is 71250677. The next prime is 71250721. The reversal of 71250712 is 21705217.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 342448 + ... + 342655.

It is an arithmetic number, because the mean of its divisors is an integer number (8991990).

Almost surely, 2^71250712 is an apocalyptic number.

It is an amenable number.

71250712 is an abundant number, since it is smaller than the sum of its proper divisors (72621128).

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

71250712 is a wasteful number, since it uses less digits than its factorization.

71250712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685122 (or 685118 counting only the distinct ones).

The product of its (nonzero) digits is 980, while the sum is 25.

The square root of 71250712 is about 8441.0136832018. The cubic root of 71250712 is about 414.5685980089.

Adding to 71250712 its reverse (21705217), we get a palindrome (92955929).

The spelling of 71250712 in words is "seventy-one million, two hundred fifty thousand, seven hundred twelve".