71330260 has 12 divisors (see below), whose sum is σ = 149793588. Its totient is φ = 28532096.

The previous prime is 71330257. The next prime is 71330263. The reversal of 71330260 is 6203317.

It is an interprime number because it is at equal distance from previous prime (71330257) and next prime (71330263).

It can be written as a sum of positive squares in 2 ways, for example, as 19749136 + 51581124 = 4444^2 + 7182^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71330263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1783237 + ... + 1783276.

It is an arithmetic number, because the mean of its divisors is an integer number (12482799).

Almost surely, 2^71330260 is an apocalyptic number.

It is an amenable number.

71330260 is an abundant number, since it is smaller than the sum of its proper divisors (78463328).

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

71330260 is a wasteful number, since it uses less digits than its factorization.

71330260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3566522 (or 3566520 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 71330260 is about 8445.7243620663. The cubic root of 71330260 is about 414.7228226086.

Adding to 71330260 its reverse (6203317), we get a palindrome (77533577).

The spelling of 71330260 in words is "seventy-one million, three hundred thirty thousand, two hundred sixty".