71013260 has 24 divisors (see below), whose sum is σ = 156977520. Its totient is φ = 26910144.

The previous prime is 71013221. The next prime is 71013263. The reversal of 71013260 is 6231017.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (71013263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93059 + ... + 93818.

It is an arithmetic number, because the mean of its divisors is an integer number (6540730).

Almost surely, 2^71013260 is an apocalyptic number.

It is an amenable number.

71013260 is an abundant number, since it is smaller than the sum of its proper divisors (85964260).

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

71013260 is a wasteful number, since it uses less digits than its factorization.

71013260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186905 (or 186903 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 71013260 is about 8426.9365726817. The cubic root of 71013260 is about 414.1075513862.

Adding to 71013260 its reverse (6231017), we get a palindrome (77244277).

The spelling of 71013260 in words is "seventy-one million, thirteen thousand, two hundred sixty".