71067712 has 14 divisors (see below), whose sum is σ = 141025118. Its totient is φ = 35533824.

The previous prime is 71067709. The next prime is 71067727. The reversal of 71067712 is 21776017.

It can be written as a sum of positive squares in only one way, i.e., 60466176 + 10601536 = 7776^2 + 3256^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555153 + ... + 555280.

Almost surely, 2^71067712 is an apocalyptic number.

It is an amenable number.

71067712 is a deficient number, since it is larger than the sum of its proper divisors (69957406).

71067712 is a wasteful number, since it uses less digits than its factorization.

71067712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110445 (or 1110435 counting only the distinct ones).

The product of its (nonzero) digits is 4116, while the sum is 31.

The square root of 71067712 is about 8430.1667836408. The cubic root of 71067712 is about 414.2133683535.

The spelling of 71067712 in words is "seventy-one million, sixty-seven thousand, seven hundred twelve".