706221047 has 4 divisors (see below), whose sum is σ = 807109776. Its totient is φ = 605332320.

The previous prime is 706221041. The next prime is 706221059. The reversal of 706221047 is 740122607.

706221047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 706221047 - 2⁴ = 706221031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (706221041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50444354 + ... + 50444367.

It is an arithmetic number, because the mean of its divisors is an integer number (201777444).

Almost surely, 2^706221047 is an apocalyptic number.

706221047 is a deficient number, since it is larger than the sum of its proper divisors (100888729).

706221047 is a wasteful number, since it uses less digits than its factorization.

706221047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100888728.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 706221047 is about 26574.8197924276. The cubic root of 706221047 is about 890.5265776651.

The spelling of 706221047 in words is "seven hundred six million, two hundred twenty-one thousand, forty-seven".