71083552 has 48 divisors (see below), whose sum is σ = 144329472. Its totient is φ = 34444800.

The previous prime is 71083517. The next prime is 71083559. The reversal of 71083552 is 25538017.

It is not an unprimeable number, because it can be changed into a prime (71083559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226948 + ... + 227260.

It is an arithmetic number, because the mean of its divisors is an integer number (3006864).

Almost surely, 2^71083552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71083552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72164736).

71083552 is an abundant number, since it is smaller than the sum of its proper divisors (73245920).

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

71083552 is a wasteful number, since it uses less digits than its factorization.

71083552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521 (or 513 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 71083552 is about 8431.1062144893. The cubic root of 71083552 is about 414.2441401914.

The spelling of 71083552 in words is "seventy-one million, eighty-three thousand, five hundred fifty-two".