706433778 has 16 divisors (see below), whose sum is σ = 1569852960. Its totient is φ = 235477908.

The previous prime is 706433747. The next prime is 706433779. The reversal of 706433778 is 877334607.

706433778 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (706433779) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6541000 + ... + 6541107.

It is an arithmetic number, because the mean of its divisors is an integer number (98115810).

Almost surely, 2^706433778 is an apocalyptic number.

706433778 is an abundant number, since it is smaller than the sum of its proper divisors (863419182).

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

706433778 is a wasteful number, since it uses less digits than its factorization.

706433778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13082118 (or 13082112 counting only the distinct ones).

The product of its (nonzero) digits is 592704, while the sum is 45.

The square root of 706433778 is about 26578.8219829247. The cubic root of 706433778 is about 890.6159847952.

The spelling of 706433778 in words is "seven hundred six million, four hundred thirty-three thousand, seven hundred seventy-eight".