71050740 has 48 divisors (see below), whose sum is σ = 202704768. Its totient is φ = 18588544.

The previous prime is 71050723. The next prime is 71050741. The reversal of 71050740 is 4705017.

It is a self number, because there is not a number n which added to its sum of digits gives 71050740.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71050741) 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 15 ways as a sum of consecutive naturals, for example, 7992 + ... + 14351.

It is an arithmetic number, because the mean of its divisors is an integer number (4223016).

Almost surely, 2^71050740 is an apocalyptic number.

It is an amenable number.

71050740 is an abundant number, since it is smaller than the sum of its proper divisors (131654028).

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

71050740 is a wasteful number, since it uses less digits than its factorization.

71050740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22408 (or 22406 counting only the distinct ones).

The product of its (nonzero) digits is 980, while the sum is 24.

The square root of 71050740 is about 8429.1601005082. The cubic root of 71050740 is about 414.1803923423.

Adding to 71050740 its reverse (4705017), we get a palindrome (75755757).

The spelling of 71050740 in words is "seventy-one million, fifty thousand, seven hundred forty".