71488560 has 160 divisors (see below), whose sum is σ = 260483328. Its totient is φ = 15989760.

The previous prime is 71488517. The next prime is 71488579. The reversal of 71488560 is 6588417.

It is a super-2 number, since 2×71488560² = 10221228421747200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 33279 + ... + 35361.

Almost surely, 2^71488560 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 71488560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130241664).

71488560 is an abundant number, since it is smaller than the sum of its proper divisors (188994768).

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

71488560 is a wasteful number, since it uses less digits than its factorization.

71488560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2123 (or 2117 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 71488560 is about 8455.0907742022. The cubic root of 71488560 is about 415.0293877674.

The spelling of 71488560 in words is "seventy-one million, four hundred eighty-eight thousand, five hundred sixty".