71718260 has 12 divisors (see below), whose sum is σ = 150608388. Its totient is φ = 28687296.

The previous prime is 71718233. The next prime is 71718263. The reversal of 71718260 is 6281717.

It can be written as a sum of positive squares in 2 ways, for example, as 24960016 + 46758244 = 4996^2 + 6838^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71718263) 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, 1792937 + ... + 1792976.

It is an arithmetic number, because the mean of its divisors is an integer number (12550699).

Almost surely, 2^71718260 is an apocalyptic number.

It is an amenable number.

71718260 is an abundant number, since it is smaller than the sum of its proper divisors (78890128).

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

71718260 is a wasteful number, since it uses less digits than its factorization.

71718260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3585922 (or 3585920 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 32.

The square root of 71718260 is about 8468.6634128415. The cubic root of 71718260 is about 415.4734230470.

Adding to 71718260 its reverse (6281717), we get a palindrome (77999977).

The spelling of 71718260 in words is "seventy-one million, seven hundred eighteen thousand, two hundred sixty".