71246505250 has 16 divisors (see below), whose sum is σ = 133373458296. Its totient is φ = 28498602000.

The previous prime is 71246505233. The next prime is 71246505269. The reversal of 71246505250 is 5250564217.

It can be written as a sum of positive squares in 4 ways, for example, as 11733439041 + 59513066209 = 108321^2 + 243953^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142492761 + ... + 142493260.

Almost surely, 2^71246505250 is an apocalyptic number.

71246505250 is a deficient number, since it is larger than the sum of its proper divisors (62126953046).

71246505250 is a wasteful number, since it uses less digits than its factorization.

71246505250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284986038 (or 284986028 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 37.

The spelling of 71246505250 in words is "seventy-one billion, two hundred forty-six million, five hundred five thousand, two hundred fifty".