71476447 has 6 divisors (see below), whose sum is σ = 83146128. Its totient is φ = 61265484.

The previous prime is 71476439. The next prime is 71476453. The reversal of 71476447 is 74467417.

It is not a de Polignac number, because 71476447 - 2³ = 71476439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71476477) 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 5 ways as a sum of consecutive naturals, for example, 729303 + ... + 729400.

It is an arithmetic number, because the mean of its divisors is an integer number (13857688).

Almost surely, 2^71476447 is an apocalyptic number.

71476447 is a deficient number, since it is larger than the sum of its proper divisors (11669681).

71476447 is a wasteful number, since it uses less digits than its factorization.

71476447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1458717 (or 1458710 counting only the distinct ones).

The product of its digits is 131712, while the sum is 40.

The square root of 71476447 is about 8454.3744298440. The cubic root of 71476447 is about 415.0059456254.

The spelling of 71476447 in words is "seventy-one million, four hundred seventy-six thousand, four hundred forty-seven".