71074012 has 24 divisors (see below), whose sum is σ = 131670000. Its totient is φ = 33511296.

The previous prime is 71073997. The next prime is 71074013. The reversal of 71074012 is 21047017.

It is a super-2 number, since 2×71074012² = 10103030363552288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71074013) by changing a digit.

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, 2137 + ... + 12112.

It is an arithmetic number, because the mean of its divisors is an integer number (5486250).

Almost surely, 2^71074012 is an apocalyptic number.

It is an amenable number.

71074012 is a deficient number, since it is larger than the sum of its proper divisors (60595988).

71074012 is a wasteful number, since it uses less digits than its factorization.

71074012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14325 (or 14323 counting only the distinct ones).

The product of its (nonzero) digits is 392, while the sum is 22.

The square root of 71074012 is about 8430.5404334479. The cubic root of 71074012 is about 414.2256077002.

The spelling of 71074012 in words is "seventy-one million, seventy-four thousand, twelve".