711445280 has 192 divisors, whose sum is σ = 2090043648. Its totient is φ = 222842880.

The previous prime is 711445279. The next prime is 711445283. The reversal of 711445280 is 82544117.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (711445283) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1907174 + ... + 1907546.

It is an arithmetic number, because the mean of its divisors is an integer number (10885644).

Almost surely, 2^711445280 is an apocalyptic number.

711445280 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 711445280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1045021824).

711445280 is an abundant number, since it is smaller than the sum of its proper divisors (1378598368).

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

711445280 is a wasteful number, since it uses less digits than its factorization.

711445280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539 (or 531 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 711445280 is about 26672.9315974079. The cubic root of 711445280 is about 892.7170596718.

Adding to 711445280 its reverse (82544117), we get a palindrome (793989397).

The spelling of 711445280 in words is "seven hundred eleven million, four hundred forty-five thousand, two hundred eighty".