71680482 has 12 divisors (see below), whose sum is σ = 155307750. Its totient is φ = 23893488.

The previous prime is 71680459. The next prime is 71680487. The reversal of 71680482 is 28408617.

It can be written as a sum of positive squares in only one way, i.e., 71216721 + 463761 = 8439^2 + 681^2 .

It is not an unprimeable number, because it can be changed into a prime (71680487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1991107 + ... + 1991142.

Almost surely, 2^71680482 is an apocalyptic number.

71680482 is an abundant number, since it is smaller than the sum of its proper divisors (83627268).

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

71680482 is a wasteful number, since it uses less digits than its factorization.

71680482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3982257 (or 3982254 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 71680482 is about 8466.4326608082. The cubic root of 71680482 is about 415.4004592406.

The spelling of 71680482 in words is "seventy-one million, six hundred eighty thousand, four hundred eighty-two".