71433412 has 6 divisors (see below), whose sum is σ = 125008478. Its totient is φ = 35716704.

The previous prime is 71433403. The next prime is 71433413. The reversal of 71433412 is 21433417.

It can be written as a sum of positive squares in only one way, i.e., 41139396 + 30294016 = 6414^2 + 5504^2 .

It is not an unprimeable number, because it can be changed into a prime (71433413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8929173 + ... + 8929180.

Almost surely, 2^71433412 is an apocalyptic number.

It is an amenable number.

71433412 is a deficient number, since it is larger than the sum of its proper divisors (53575066).

71433412 is a wasteful number, since it uses less digits than its factorization.

71433412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17858357 (or 17858355 counting only the distinct ones).

The product of its digits is 2016, while the sum is 25.

The square root of 71433412 is about 8451.8289145013. The cubic root of 71433412 is about 414.9226390855.

Adding to 71433412 its reverse (21433417), we get a palindrome (92866829).

The spelling of 71433412 in words is "seventy-one million, four hundred thirty-three thousand, four hundred twelve".