71500014430 has 32 divisors (see below), whose sum is σ = 138636487584. Its totient is φ = 26393060736.

The previous prime is 71500014403. The next prime is 71500014437. The reversal of 71500014430 is 3441000517.

It is a super-2 number, since 2×71500014430² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 71500014395 and 71500014404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71500014437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 437524 + ... + 578296.

It is an arithmetic number, because the mean of its divisors is an integer number (4332390237).

Almost surely, 2^71500014430 is an apocalyptic number.

71500014430 is a deficient number, since it is larger than the sum of its proper divisors (67136473154).

71500014430 is a wasteful number, since it uses less digits than its factorization.

71500014430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144700.

The product of its (nonzero) digits is 1680, while the sum is 25.

Adding to 71500014430 its reverse (3441000517), we get a palindrome (74941014947).

The spelling of 71500014430 in words is "seventy-one billion, five hundred million, fourteen thousand, four hundred thirty".