711381216 has 144 divisors (see below), whose sum is σ = 2339550864. Its totient is φ = 187600896.

The previous prime is 711381199. The next prime is 711381227. The reversal of 711381216 is 612183117.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 55336 + ... + 66968.

It is an arithmetic number, because the mean of its divisors is an integer number (16246881).

Almost surely, 2^711381216 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 711381216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1169775432).

711381216 is an abundant number, since it is smaller than the sum of its proper divisors (1628169648).

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

711381216 is a wasteful number, since it uses less digits than its factorization.

711381216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11673 (or 11658 counting only the distinct ones).

The product of its digits is 2016, while the sum is 30.

The square root of 711381216 is about 26671.7306525092. The cubic root of 711381216 is about 892.6902631661.

The spelling of 711381216 in words is "seven hundred eleven million, three hundred eighty-one thousand, two hundred sixteen".