71244256 has 12 divisors (see below), whose sum is σ = 140262192. Its totient is φ = 35622112.

The previous prime is 71244223. The next prime is 71244287. The reversal of 71244256 is 65244217.

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 as a sum of consecutive naturals, namely, 1113160 + ... + 1113223.

It is an arithmetic number, because the mean of its divisors is an integer number (11688516).

Almost surely, 2^71244256 is an apocalyptic number.

It is an amenable number.

71244256 is a deficient number, since it is larger than the sum of its proper divisors (69017936).

71244256 is a wasteful number, since it uses less digits than its factorization.

71244256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2226393 (or 2226385 counting only the distinct ones).

The product of its digits is 13440, while the sum is 31.

The square root of 71244256 is about 8440.6312560140. The cubic root of 71244256 is about 414.5560763295.

The spelling of 71244256 in words is "seventy-one million, two hundred forty-four thousand, two hundred fifty-six".