711243140 has 12 divisors (see below), whose sum is σ = 1493610636. Its totient is φ = 284497248.

The previous prime is 711243133. The next prime is 711243157. The reversal of 711243140 is 41342117.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 404572996 + 306670144 = 20114^2 + 17512^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 17781059 + ... + 17781098.

It is an arithmetic number, because the mean of its divisors is an integer number (124467553).

Almost surely, 2^711243140 is an apocalyptic number.

It is an amenable number.

711243140 is an abundant number, since it is smaller than the sum of its proper divisors (782367496).

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

711243140 is a wasteful number, since it uses less digits than its factorization.

711243140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35562166 (or 35562164 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 711243140 is about 26669.1420934383. The cubic root of 711243140 is about 892.6325036632.

Adding to 711243140 its reverse (41342117), we get a palindrome (752585257).

The spelling of 711243140 in words is "seven hundred eleven million, two hundred forty-three thousand, one hundred forty".