711340380 has 120 divisors (see below), whose sum is σ = 2238316080. Its totient is φ = 189112320.

The previous prime is 711340369. The next prime is 711340381. The reversal of 711340380 is 83043117.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (711340381) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 924636 + ... + 925404.

It is an arithmetic number, because the mean of its divisors is an integer number (18652634).

Almost surely, 2^711340380 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 711340380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1119158040).

711340380 is an abundant number, since it is smaller than the sum of its proper divisors (1526975700).

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

711340380 is a wasteful number, since it uses less digits than its factorization.

711340380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1361 (or 1350 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 711340380 is about 26670.9651118965. The cubic root of 711340380 is about 892.6731815619.

Adding to 711340380 its reverse (83043117), we get a palindrome (794383497).

The spelling of 711340380 in words is "seven hundred eleven million, three hundred forty thousand, three hundred eighty".