71481088 has 72 divisors (see below), whose sum is σ = 164975328. Its totient is φ = 30277632.

The previous prime is 71481049. The next prime is 71481119. The reversal of 71481088 is 88018417.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202320 + ... + 202672.

It is an arithmetic number, because the mean of its divisors is an integer number (2291324).

Almost surely, 2^71481088 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 71481088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82487664).

71481088 is an abundant number, since it is smaller than the sum of its proper divisors (93494240).

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

71481088 is a wasteful number, since it uses less digits than its factorization.

71481088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489 (or 475 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 37.

The square root of 71481088 is about 8454.6488986829. The cubic root of 71481088 is about 415.0149276094.

The spelling of 71481088 in words is "seventy-one million, four hundred eighty-one thousand, eighty-eight".