71004616 has 16 divisors (see below), whose sum is σ = 134453340. Its totient is φ = 35150400.

The previous prime is 71004613. The next prime is 71004623. The reversal of 71004616 is 61640017.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 56942116 + 14062500 = 7546^2 + 3750^2 .

It is not an unprimeable number, because it can be changed into a prime (71004613) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 43131 + ... + 44746.

Almost surely, 2^71004616 is an apocalyptic number.

It is an amenable number.

71004616 is a deficient number, since it is larger than the sum of its proper divisors (63448724).

71004616 is a wasteful number, since it uses less digits than its factorization.

71004616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87984 (or 87980 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 71004616 is about 8426.4236779312. The cubic root of 71004616 is about 414.0907484637.

The spelling of 71004616 in words is "seventy-one million, four thousand, six hundred sixteen".