71282480 has 40 divisors (see below), whose sum is σ = 166609872. Its totient is φ = 28361984.

The previous prime is 71282441. The next prime is 71282521. The reversal of 71282480 is 8428217.

It is a tau number, because it is divible by the number of its divisors (40).

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, 13499 + ... + 18021.

Almost surely, 2^71282480 is an apocalyptic number.

It is an amenable number.

71282480 is an abundant number, since it is smaller than the sum of its proper divisors (95327392).

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

71282480 is a wasteful number, since it uses less digits than its factorization.

71282480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4733 (or 4727 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 32.

The square root of 71282480 is about 8442.8952380093. The cubic root of 71282480 is about 414.6302023447.

The spelling of 71282480 in words is "seventy-one million, two hundred eighty-two thousand, four hundred eighty".