71281060 has 24 divisors (see below), whose sum is σ = 150687936. Its totient is φ = 28322400.

The previous prime is 71281039. The next prime is 71281061. The reversal of 71281060 is 6018217.

It is not an unprimeable number, because it can be changed into a prime (71281061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8782 + ... + 14821.

It is an arithmetic number, because the mean of its divisors is an integer number (6278664).

Almost surely, 2^71281060 is an apocalyptic number.

It is an amenable number.

71281060 is an abundant number, since it is smaller than the sum of its proper divisors (79406876).

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

71281060 is a wasteful number, since it uses less digits than its factorization.

71281060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23763 (or 23761 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 71281060 is about 8442.8111432153. The cubic root of 71281060 is about 414.6274490791.

Adding to 71281060 its reverse (6018217), we get a palindrome (77299277).

The spelling of 71281060 in words is "seventy-one million, two hundred eighty-one thousand, sixty".