706687147 has 2 divisors, whose sum is σ = 706687148. Its totient is φ = 706687146.

The previous prime is 706687141. The next prime is 706687187. The reversal of 706687147 is 741786607.

706687147 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (741786607) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 706687147 - 2³ = 706687139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 706687097 and 706687106.

It is not a weakly prime, because it can be changed into another prime (706687141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 353343573 + 353343574.

It is an arithmetic number, because the mean of its divisors is an integer number (353343574).

Almost surely, 2^706687147 is an apocalyptic number.

706687147 is a deficient number, since it is larger than the sum of its proper divisors (1).

706687147 is an equidigital number, since it uses as much as digits as its factorization.

706687147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 395136, while the sum is 46.

The square root of 706687147 is about 26583.5879256356. The cubic root of 706687147 is about 890.7224479515.

It can be divided in two parts, 70668 and 7147, that added together give a triangular number (77815 = T₃₉₄).

The spelling of 706687147 in words is "seven hundred six million, six hundred eighty-seven thousand, one hundred forty-seven".