706984057 has 4 divisors (see below), whose sum is σ = 761367460. Its totient is φ = 652600656.

The previous prime is 706984039. The next prime is 706984063. The reversal of 706984057 is 750489607.

It is a happy number.

706984057 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 can be written as a sum of positive squares in 2 ways, for example, as 236267641 + 470716416 = 15371^2 + 21696^2 .

It is a cyclic number.

It is not a de Polignac number, because 706984057 - 2²³ = 698595449 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 706983998 and 706984016.

It is not an unprimeable number, because it can be changed into a prime (706984007) 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, 27191682 + ... + 27191707.

It is an arithmetic number, because the mean of its divisors is an integer number (190341865).

Almost surely, 2^706984057 is an apocalyptic number.

It is an amenable number.

706984057 is a deficient number, since it is larger than the sum of its proper divisors (54383403).

706984057 is a wasteful number, since it uses less digits than its factorization.

706984057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54383402.

The product of its (nonzero) digits is 423360, while the sum is 46.

The square root of 706984057 is about 26589.1717998135. The cubic root of 706984057 is about 890.8471742296.

The spelling of 706984057 in words is "seven hundred six million, nine hundred eighty-four thousand, fifty-seven".