71449482 has 48 divisors (see below), whose sum is σ = 159798528. Its totient is φ = 21265920.

The previous prime is 71449463. The next prime is 71449507. The reversal of 71449482 is 28494417.

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

It is a self number, because there is not a number n which added to its sum of digits gives 71449482.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 30298 + ... + 32570.

It is an arithmetic number, because the mean of its divisors is an integer number (3329136).

Almost surely, 2^71449482 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71449482, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79899264).

71449482 is an abundant number, since it is smaller than the sum of its proper divisors (88349046).

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

71449482 is a wasteful number, since it uses less digits than its factorization.

71449482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2335 (or 2322 counting only the distinct ones).

The product of its digits is 64512, while the sum is 39.

The square root of 71449482 is about 8452.7795428486. The cubic root of 71449482 is about 414.9537510758.

The spelling of 71449482 in words is "seventy-one million, four hundred forty-nine thousand, four hundred eighty-two".