711643992 has 128 divisors (see below), whose sum is σ = 1896652800. Its totient is φ = 222179328.

The previous prime is 711643973. The next prime is 711643997. The reversal of 711643992 is 299346117.

711643992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (711643997) 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, 5603433 + ... + 5603559.

It is an arithmetic number, because the mean of its divisors is an integer number (14817600).

Almost surely, 2^711643992 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 711643992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (948326400).

711643992 is an abundant number, since it is smaller than the sum of its proper divisors (1185008808).

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

711643992 is a wasteful number, since it uses less digits than its factorization.

711643992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345 (or 341 counting only the distinct ones).

The product of its digits is 81648, while the sum is 42.

The square root of 711643992 is about 26676.6563122142. The cubic root of 711643992 is about 892.8001661239.

The spelling of 711643992 in words is "seven hundred eleven million, six hundred forty-three thousand, nine hundred ninety-two".