71185060 has 12 divisors (see below), whose sum is σ = 149488668. Its totient is φ = 28474016.

The previous prime is 71185057. The next prime is 71185087. The reversal of 71185060 is 6058117.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 23270976 + 47914084 = 4824^2 + 6922^2 .

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, 1779607 + ... + 1779646.

It is an arithmetic number, because the mean of its divisors is an integer number (12457389).

Almost surely, 2^71185060 is an apocalyptic number.

It is an amenable number.

71185060 is an abundant number, since it is smaller than the sum of its proper divisors (78303608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71185060 is a wasteful number, since it uses less digits than its factorization.

71185060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3559262 (or 3559260 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 28.

The square root of 71185060 is about 8437.1239175444. The cubic root of 71185060 is about 414.4412279534.

The spelling of 71185060 in words is "seventy-one million, one hundred eighty-five thousand, sixty".