706387870 has 16 divisors (see below), whose sum is σ = 1276778448. Its totient is φ = 281381760.

The previous prime is 706387861. The next prime is 706387873. The reversal of 706387870 is 78783607.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 706387870.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (706387873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144144 + ... + 148963.

It is an arithmetic number, because the mean of its divisors is an integer number (79798653).

Almost surely, 2^706387870 is an apocalyptic number.

706387870 is a deficient number, since it is larger than the sum of its proper divisors (570390578).

706387870 is a wasteful number, since it uses less digits than its factorization.

706387870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293355.

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

The square root of 706387870 is about 26577.9583489778. The cubic root of 706387870 is about 890.5966919822.

The spelling of 706387870 in words is "seven hundred six million, three hundred eighty-seven thousand, eight hundred seventy".