706378667 has 8 divisors (see below), whose sum is σ = 712162800. Its totient is φ = 700618464.

The previous prime is 706378663. The next prime is 706378681. The reversal of 706378667 is 766873607.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 706378667 - 2² = 706378663 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (706378661) 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, 55868 + ... + 67334.

It is an arithmetic number, because the mean of its divisors is an integer number (89020350).

Almost surely, 2^706378667 is an apocalyptic number.

706378667 is a deficient number, since it is larger than the sum of its proper divisors (5784133).

706378667 is a wasteful number, since it uses less digits than its factorization.

706378667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11965.

The product of its (nonzero) digits is 1778112, while the sum is 50.

The square root of 706378667 is about 26577.7852162290. The cubic root of 706378667 is about 890.5928243256.

The spelling of 706378667 in words is "seven hundred six million, three hundred seventy-eight thousand, six hundred sixty-seven".