71394712 has 16 divisors (see below), whose sum is σ = 134235360. Its totient is φ = 35598624.

The previous prime is 71394707. The next prime is 71394721. The reversal of 71394712 is 21749317.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9223 + ... + 15094.

It is an arithmetic number, because the mean of its divisors is an integer number (8389710).

Almost surely, 2^71394712 is an apocalyptic number.

It is an amenable number.

71394712 is a deficient number, since it is larger than the sum of its proper divisors (62840648).

71394712 is a wasteful number, since it uses less digits than its factorization.

71394712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24690 (or 24686 counting only the distinct ones).

The product of its digits is 10584, while the sum is 34.

The square root of 71394712 is about 8449.5391590311. The cubic root of 71394712 is about 414.8476955992.

The spelling of 71394712 in words is "seventy-one million, three hundred ninety-four thousand, seven hundred twelve".