71083508 has 12 divisors (see below), whose sum is σ = 124539072. Its totient is φ = 35500920.

The previous prime is 71083469. The next prime is 71083517. The reversal of 71083508 is 80538017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6110 + ... + 13397.

It is an arithmetic number, because the mean of its divisors is an integer number (10378256).

Almost surely, 2^71083508 is an apocalyptic number.

It is an amenable number.

71083508 is a deficient number, since it is larger than the sum of its proper divisors (53455564).

71083508 is a wasteful number, since it uses less digits than its factorization.

71083508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20422 (or 20420 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 71083508 is about 8431.1036051041. The cubic root of 71083508 is about 414.2440547204.

The spelling of 71083508 in words is "seventy-one million, eighty-three thousand, five hundred eight".