71083412 has 12 divisors (see below), whose sum is σ = 124597536. Its totient is φ = 35484120.

The previous prime is 71083399. The next prime is 71083421. The reversal of 71083412 is 21438017.

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, 11558 + ... + 16605.

It is an arithmetic number, because the mean of its divisors is an integer number (10383128).

Almost surely, 2^71083412 is an apocalyptic number.

It is an amenable number.

71083412 is a deficient number, since it is larger than the sum of its proper divisors (53514124).

71083412 is a wasteful number, since it uses less digits than its factorization.

71083412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28798 (or 28796 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 71083412 is about 8431.0979118974. The cubic root of 71083412 is about 414.2438682381.

The spelling of 71083412 in words is "seventy-one million, eighty-three thousand, four hundred twelve".