71433536 has 28 divisors (see below), whose sum is σ = 143355060. Its totient is φ = 35312640.

The previous prime is 71433529. The next prime is 71433539. The reversal of 71433536 is 63533417.

It can be written as a sum of positive squares in 2 ways, for example, as 38440000 + 32993536 = 6200^2 + 5744^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71433539) 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, 575 + ... + 11966.

Almost surely, 2^71433536 is an apocalyptic number.

It is an amenable number.

71433536 is an abundant number, since it is smaller than the sum of its proper divisors (71921524).

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

71433536 is a wasteful number, since it uses less digits than its factorization.

71433536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12642 (or 12632 counting only the distinct ones).

The product of its digits is 22680, while the sum is 32.

The square root of 71433536 is about 8451.8362501885. The cubic root of 71433536 is about 414.9228791710.

The spelling of 71433536 in words is "seventy-one million, four hundred thirty-three thousand, five hundred thirty-six".