71007008 has 12 divisors (see below), whose sum is σ = 139795110. Its totient is φ = 35503488.

The previous prime is 71006987. The next prime is 71007037. The reversal of 71007008 is 80070017.

It can be written as a sum of positive squares in only one way, i.e., 69689104 + 1317904 = 8348^2 + 1148^2 .

It is a super-2 number, since 2×71007008² = 10083990370224128, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1109453 + ... + 1109516.

Almost surely, 2^71007008 is an apocalyptic number.

It is an amenable number.

71007008 is a deficient number, since it is larger than the sum of its proper divisors (68788102).

71007008 is a wasteful number, since it uses less digits than its factorization.

71007008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2218979 (or 2218971 counting only the distinct ones).

The product of its (nonzero) digits is 392, while the sum is 23.

The square root of 71007008 is about 8426.5656112084. The cubic root of 71007008 is about 414.0953983677.

The spelling of 71007008 in words is "seventy-one million, seven thousand, eight".