71416424 has 16 divisors (see below), whose sum is σ = 137172420. Its totient is φ = 34837120.

The previous prime is 71416399. The next prime is 71416447. The reversal of 71416424 is 42461417.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 71402500 + 13924 = 8450^2 + 118^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108539 + ... + 109194.

Almost surely, 2^71416424 is an apocalyptic number.

It is an amenable number.

71416424 is a deficient number, since it is larger than the sum of its proper divisors (65755996).

71416424 is a wasteful number, since it uses less digits than its factorization.

71416424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217780 (or 217776 counting only the distinct ones).

The product of its digits is 5376, while the sum is 29.

The square root of 71416424 is about 8450.8238651625. The cubic root of 71416424 is about 414.8897447464.

The spelling of 71416424 in words is "seventy-one million, four hundred sixteen thousand, four hundred twenty-four".