71054530 has 16 divisors (see below), whose sum is σ = 128018880. Its totient is φ = 28394992.

The previous prime is 71054519. The next prime is 71054561. The reversal of 71054530 is 3545017.

It is a junction number, because it is equal to n+sod(n) for n = 71054495 and 71054504.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 10497 + ... + 15883.

It is an arithmetic number, because the mean of its divisors is an integer number (8001180).

Almost surely, 2^71054530 is an apocalyptic number.

71054530 is a deficient number, since it is larger than the sum of its proper divisors (56964350).

71054530 is a wasteful number, since it uses less digits than its factorization.

71054530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6713.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 71054530 is about 8429.3849123171. The cubic root of 71054530 is about 414.1877566371.

Adding to 71054530 its reverse (3545017), we get a palindrome (74599547).

The spelling of 71054530 in words is "seventy-one million, fifty-four thousand, five hundred thirty".