71150500 has 72 divisors (see below), whose sum is σ = 163046520. Its totient is φ = 27121600.

The previous prime is 71150483. The next prime is 71150503. The reversal of 71150500 is 505117.

It can be written as a sum of positive squares in 4 ways, for example, as 14930496 + 56220004 = 3864^2 + 7498^2 .

It is not an unprimeable number, because it can be changed into a prime (71150503) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 264366 + ... + 264634.

It is an arithmetic number, because the mean of its divisors is an integer number (2264535).

Almost surely, 2^71150500 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 71150500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81523260).

71150500 is an abundant number, since it is smaller than the sum of its proper divisors (91896020).

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

71150500 is a wasteful number, since it uses less digits than its factorization.

71150500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334 (or 299 counting only the distinct ones).

The product of its (nonzero) digits is 175, while the sum is 19.

The square root of 71150500 is about 8435.0755776104. The cubic root of 71150500 is about 414.3741473638.

Adding to 71150500 its reverse (505117), we get a palindrome (71655617).

The spelling of 71150500 in words is "seventy-one million, one hundred fifty thousand, five hundred".