71109060 has 48 divisors (see below), whose sum is σ = 217207872. Its totient is φ = 17238400.

The previous prime is 71109029. The next prime is 71109067. The reversal of 71109060 is 6090117.

It is a self number, because there is not a number n which added to its sum of digits gives 71109060.

It is not an unprimeable number, because it can be changed into a prime (71109067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53211 + ... + 54530.

It is an arithmetic number, because the mean of its divisors is an integer number (4525164).

Almost surely, 2^71109060 is an apocalyptic number.

It is an amenable number.

71109060 is an abundant number, since it is smaller than the sum of its proper divisors (146098812).

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

71109060 is a wasteful number, since it uses less digits than its factorization.

71109060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107764 (or 107762 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 24.

The square root of 71109060 is about 8432.6188103104. The cubic root of 71109060 is about 414.2936841228.

Adding to 71109060 its reverse (6090117), we get a palindrome (77199177).

The spelling of 71109060 in words is "seventy-one million, one hundred nine thousand, sixty".