71024012 has 6 divisors (see below), whose sum is σ = 124292028. Its totient is φ = 35512004.

The previous prime is 71023999. The next prime is 71024021. The reversal of 71024012 is 21042017.

It is a super-2 number, since 2×71024012² = 10088820561152288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8877998 + ... + 8878005.

It is an arithmetic number, because the mean of its divisors is an integer number (20715338).

Almost surely, 2^71024012 is an apocalyptic number.

It is an amenable number.

71024012 is a deficient number, since it is larger than the sum of its proper divisors (53268016).

71024012 is a wasteful number, since it uses less digits than its factorization.

71024012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17756007 (or 17756005 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 71024012 is about 8427.5745027855. The cubic root of 71024012 is about 414.1284501108.

Adding to 71024012 its reverse (21042017), we get a palindrome (92066029).

The spelling of 71024012 in words is "seventy-one million, twenty-four thousand, twelve".