71489088 has 112 divisors (see below), whose sum is σ = 229331520. Its totient is φ = 21657600.

The previous prime is 71489087. The next prime is 71489123. The reversal of 71489088 is 88098417.

It is a super-2 number, since 2×71489088² = 10221379406143488, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (71489087) 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, 17128 + ... + 20888.

Almost surely, 2^71489088 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 71489088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114665760).

71489088 is an abundant number, since it is smaller than the sum of its proper divisors (157842432).

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

71489088 is a wasteful number, since it uses less digits than its factorization.

71489088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3793 (or 3777 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 45.

The square root of 71489088 is about 8455.1219979371. The cubic root of 71489088 is about 415.0304095392.

The spelling of 71489088 in words is "seventy-one million, four hundred eighty-nine thousand, eighty-eight".