71063542 has 12 divisors (see below), whose sum is σ = 117167148. Its totient is φ = 32301500.

The previous prime is 71063539. The next prime is 71063557. The reversal of 71063542 is 24536017.

It is a self number, because there is not a number n which added to its sum of digits gives 71063542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 146584 + ... + 147067.

It is an arithmetic number, because the mean of its divisors is an integer number (9763929).

Almost surely, 2^71063542 is an apocalyptic number.

71063542 is a deficient number, since it is larger than the sum of its proper divisors (46103606).

71063542 is a wasteful number, since it uses less digits than its factorization.

71063542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293675 (or 293664 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 71063542 is about 8429.9194539450. The cubic root of 71063542 is about 414.2052666737.

Adding to 71063542 its reverse (24536017), we get a palindrome (95599559).

It can be divided in two parts, 7106 and 3542, that added together give a cube (10648 = 22³).

The spelling of 71063542 in words is "seventy-one million, sixty-three thousand, five hundred forty-two".