71563332 has 12 divisors (see below), whose sum is σ = 166981136. Its totient is φ = 23854440.

The previous prime is 71563321. The next prime is 71563333. The reversal of 71563332 is 23336517.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 71563332.

It is not an unprimeable number, because it can be changed into a prime (71563333) 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 3 ways as a sum of consecutive naturals, for example, 2981794 + ... + 2981817.

Almost surely, 2^71563332 is an apocalyptic number.

It is an amenable number.

71563332 is an abundant number, since it is smaller than the sum of its proper divisors (95417804).

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

71563332 is a wasteful number, since it uses less digits than its factorization.

71563332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5963618 (or 5963616 counting only the distinct ones).

The product of its digits is 11340, while the sum is 30.

The square root of 71563332 is about 8459.5113334045. The cubic root of 71563332 is about 415.1740345210.

Adding to 71563332 its reverse (23336517), we get a palindrome (94899849).

The spelling of 71563332 in words is "seventy-one million, five hundred sixty-three thousand, three hundred thirty-two".