71328322 has 8 divisors (see below), whose sum is σ = 115222716. Its totient is φ = 32920752.

The previous prime is 71328319. The next prime is 71328329. The reversal of 71328322 is 22382317.

It can be written as a sum of positive squares in 2 ways, for example, as 71250481 + 77841 = 8441^2 + 279^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (71328329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1371673 + ... + 1371724.

Almost surely, 2^71328322 is an apocalyptic number.

71328322 is a deficient number, since it is larger than the sum of its proper divisors (43894394).

71328322 is a wasteful number, since it uses less digits than its factorization.

71328322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2743412.

The product of its digits is 4032, while the sum is 28.

The square root of 71328322 is about 8445.6096286769. The cubic root of 71328322 is about 414.7190666519.

The spelling of 71328322 in words is "seventy-one million, three hundred twenty-eight thousand, three hundred twenty-two".