71227743 has 16 divisors (see below), whose sum is σ = 96614400. Its totient is φ = 46668960.

The previous prime is 71227721. The next prime is 71227747. The reversal of 71227743 is 34772217.

It is a de Polignac number, because none of the positive numbers 2^k-71227743 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71227747) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 63673 + ... + 64781.

It is an arithmetic number, because the mean of its divisors is an integer number (6038400).

Almost surely, 2^71227743 is an apocalyptic number.

71227743 is a deficient number, since it is larger than the sum of its proper divisors (25386657).

71227743 is a wasteful number, since it uses less digits than its factorization.

71227743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1462.

The product of its digits is 16464, while the sum is 33.

The square root of 71227743 is about 8439.6530141944. The cubic root of 71227743 is about 414.5240452399.

The spelling of 71227743 in words is "seventy-one million, two hundred twenty-seven thousand, seven hundred forty-three".