71083020 has 48 divisors (see below), whose sum is σ = 201771360. Its totient is φ = 18694656.

The previous prime is 71083003. The next prime is 71083027. The reversal of 71083020 is 2038017.

It is not an unprimeable number, because it can be changed into a prime (71083027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3735 + ... + 12494.

It is an arithmetic number, because the mean of its divisors is an integer number (4203570).

Almost surely, 2^71083020 is an apocalyptic number.

It is an amenable number.

71083020 is an abundant number, since it is smaller than the sum of its proper divisors (130688340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71083020 is a wasteful number, since it uses less digits than its factorization.

71083020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16314 (or 16312 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 71083020 is about 8431.0746645964. The cubic root of 71083020 is about 414.2431067670.

The spelling of 71083020 in words is "seventy-one million, eighty-three thousand, twenty".