71480 has 16 divisors (see below), whose sum is σ = 160920. Its totient is φ = 28576.

The previous prime is 71479. The next prime is 71483. The reversal of 71480 is 8417.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 71480.

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 in 3 ways as a sum of consecutive naturals, for example, 854 + ... + 933.

2⁷¹⁴⁸⁰ is an apocalyptic number.

It is an amenable number.

71480 is an abundant number, since it is smaller than the sum of its proper divisors (89440).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80460).

71480 is a wasteful number, since it uses less digits than its factorization.

71480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1798 (or 1794 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 71480 is about 267.3574386472. The cubic root of 71480 is about 41.5012821978.

Adding to 71480 its reverse (8417), we get a palindrome (79897).

The spelling of 71480 in words is "seventy-one thousand, four hundred eighty".