71047260 has 96 divisors (see below), whose sum is σ = 226497600. Its totient is φ = 18478080.

The previous prime is 71047259. The next prime is 71047271. The reversal of 71047260 is 6274017.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20536 + ... + 23744.

It is an arithmetic number, because the mean of its divisors is an integer number (2359350).

Almost surely, 2^71047260 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 71047260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113248800).

71047260 is an abundant number, since it is smaller than the sum of its proper divisors (155450340).

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

71047260 is a wasteful number, since it uses less digits than its factorization.

71047260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3268 (or 3260 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 71047260 is about 8428.9536717199. The cubic root of 71047260 is about 414.1736301735.

The spelling of 71047260 in words is "seventy-one million, forty-seven thousand, two hundred sixty".