71488 has 14 divisors (see below), whose sum is σ = 141986. Its totient is φ = 35712.

The previous prime is 71483. The next prime is 71503. The reversal of 71488 is 88417.

It can be written as a sum of positive squares in only one way, i.e., 43264 + 28224 = 208^2 + 168^2 .

It is a super-2 number, since 2×71488² = 10221068288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 495 + ... + 622.

2⁷¹⁴⁸⁸ is an apocalyptic number.

It is an amenable number.

71488 is a deficient number, since it is larger than the sum of its proper divisors (70498).

71488 is a wasteful number, since it uses less digits than its factorization.

71488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1129 (or 1119 counting only the distinct ones).

The product of its digits is 1792, while the sum is 28.

The square root of 71488 is about 267.3723994731. The cubic root of 71488 is about 41.5028304065.

Subtracting from 71488 its product of digits (1792), we obtain a palindrome (69696).

The spelling of 71488 in words is "seventy-one thousand, four hundred eighty-eight".