71075212 has 12 divisors (see below), whose sum is σ = 133949536. Its totient is φ = 32803920.

The previous prime is 71075203. The next prime is 71075269. The reversal of 71075212 is 21257017.

It is a happy number.

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 3 ways as a sum of consecutive naturals, for example, 683364 + ... + 683467.

Almost surely, 2^71075212 is an apocalyptic number.

It is an amenable number.

71075212 is a deficient number, since it is larger than the sum of its proper divisors (62874324).

71075212 is a wasteful number, since it uses less digits than its factorization.

71075212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1366848 (or 1366846 counting only the distinct ones).

The product of its (nonzero) digits is 980, while the sum is 25.

The square root of 71075212 is about 8430.6116029621. The cubic root of 71075212 is about 414.2279389224.

The spelling of 71075212 in words is "seventy-one million, seventy-five thousand, two hundred twelve".