71130600 has 144 divisors (see below), whose sum is σ = 244701600. Its totient is φ = 18506880.

The previous prime is 71130551. The next prime is 71130671. The reversal of 71130600 is 603117.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 76941 + ... + 77859.

Almost surely, 2^71130600 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71130600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122350800).

71130600 is an abundant number, since it is smaller than the sum of its proper divisors (173571000).

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

71130600 is a wasteful number, since it uses less digits than its factorization.

71130600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 984 (or 972 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 18.

The square root of 71130600 is about 8433.8958969150. The cubic root of 71130600 is about 414.3355118216.

Adding to 71130600 its reverse (603117), we get a palindrome (71733717).

The spelling of 71130600 in words is "seventy-one million, one hundred thirty thousand, six hundred".