71411445 has 96 divisors (see below), whose sum is σ = 149520384. Its totient is φ = 30844800.

The previous prime is 71411437. The next prime is 71411449. The reversal of 71411445 is 54411417.

It is not a de Polignac number, because 71411445 - 2³ = 71411437 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71411449) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 693264 + ... + 693366.

It is an arithmetic number, because the mean of its divisors is an integer number (1557504).

Almost surely, 2^71411445 is an apocalyptic number.

It is an amenable number.

71411445 is an abundant number, since it is smaller than the sum of its proper divisors (78108939).

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

71411445 is a wasteful number, since it uses less digits than its factorization.

71411445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223 (or 220 counting only the distinct ones).

The product of its digits is 2240, while the sum is 27.

The square root of 71411445 is about 8450.5292733651. The cubic root of 71411445 is about 414.8801027811.

The spelling of 71411445 in words is "seventy-one million, four hundred eleven thousand, four hundred forty-five".