71106512 has 40 divisors (see below), whose sum is σ = 153561600. Its totient is φ = 31698432.

The previous prime is 71106509. The next prime is 71106527. The reversal of 71106512 is 21560117.

It is a super-2 number, since 2×71106512² = 10112272097612288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1712 + ... + 12047.

It is an arithmetic number, because the mean of its divisors is an integer number (3839040).

Almost surely, 2^71106512 is an apocalyptic number.

It is an amenable number.

71106512 is an abundant number, since it is smaller than the sum of its proper divisors (82455088).

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

71106512 is a wasteful number, since it uses less digits than its factorization.

71106512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13803 (or 13797 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 23.

The square root of 71106512 is about 8432.4677289629. The cubic root of 71106512 is about 414.2887357007.

Adding to 71106512 its reverse (21560117), we get a palindrome (92666629).

The spelling of 71106512 in words is "seventy-one million, one hundred six thousand, five hundred twelve".