71067716 has 6 divisors (see below), whose sum is σ = 124368510. Its totient is φ = 35533856.

The previous prime is 71067709. The next prime is 71067727. The reversal of 71067716 is 61776017.

It can be written as a sum of positive squares in only one way, i.e., 65545216 + 5522500 = 8096^2 + 2350^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8883461 + ... + 8883468.

It is an arithmetic number, because the mean of its divisors is an integer number (20728085).

Almost surely, 2^71067716 is an apocalyptic number.

It is an amenable number.

71067716 is a deficient number, since it is larger than the sum of its proper divisors (53300794).

71067716 is a wasteful number, since it uses less digits than its factorization.

71067716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17766933 (or 17766931 counting only the distinct ones).

The product of its (nonzero) digits is 12348, while the sum is 35.

The square root of 71067716 is about 8430.1670208840. The cubic root of 71067716 is about 414.2133761247.

The spelling of 71067716 in words is "seventy-one million, sixty-seven thousand, seven hundred sixteen".