71083424 has 24 divisors (see below), whose sum is σ = 141055488. Its totient is φ = 35259840.

The previous prime is 71083423. The next prime is 71083447. The reversal of 71083424 is 42438017.

It is not an unprimeable number, because it can be changed into a prime (71083421) by changing a digit.

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, 4682 + ... + 12809.

It is an arithmetic number, because the mean of its divisors is an integer number (5877312).

Almost surely, 2^71083424 is an apocalyptic number.

It is an amenable number.

71083424 is a deficient number, since it is larger than the sum of its proper divisors (69972064).

71083424 is a wasteful number, since it uses less digits than its factorization.

71083424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17628 (or 17620 counting only the distinct ones).

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

The square root of 71083424 is about 8431.0986235484. The cubic root of 71083424 is about 414.2438915484.

The spelling of 71083424 in words is "seventy-one million, eighty-three thousand, four hundred twenty-four".