71085478332 has 96 divisors (see below), whose sum is σ = 182619360000. Its totient is φ = 21519917760.

The previous prime is 71085478319. The next prime is 71085478361. The reversal of 71085478332 is 23387458017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25857294 + ... + 25860042.

It is an arithmetic number, because the mean of its divisors is an integer number (1902285000).

Almost surely, 2^71085478332 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 71085478332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91309680000).

71085478332 is an abundant number, since it is smaller than the sum of its proper divisors (111533881668).

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

71085478332 is a wasteful number, since it uses less digits than its factorization.

71085478332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4408 (or 4384 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 48.

The spelling of 71085478332 in words is "seventy-one billion, eighty-five million, four hundred seventy-eight thousand, three hundred thirty-two".