71471828 has 12 divisors (see below), whose sum is σ = 125553120. Its totient is φ = 35599512.

The previous prime is 71471801. The next prime is 71471839. The reversal of 71471828 is 82817417.

It is a junction number, because it is equal to n+sod(n) for n = 71471791 and 71471800.

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, 32918 + ... + 35021.

It is an arithmetic number, because the mean of its divisors is an integer number (10462760).

Almost surely, 2^71471828 is an apocalyptic number.

It is an amenable number.

71471828 is a deficient number, since it is larger than the sum of its proper divisors (54081292).

71471828 is a wasteful number, since it uses less digits than its factorization.

71471828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68206 (or 68204 counting only the distinct ones).

The product of its digits is 25088, while the sum is 38.

The square root of 71471828 is about 8454.1012532380. The cubic root of 71471828 is about 414.9970058331.

The spelling of 71471828 in words is "seventy-one million, four hundred seventy-one thousand, eight hundred twenty-eight".