676921706 has 4 divisors (see below), whose sum is σ = 1015382562. Its totient is φ = 338460852.

The previous prime is 676921681. The next prime is 676921727. The reversal of 676921706 is 607129676.

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

It can be written as a sum of positive squares in only one way, i.e., 353101681 + 323820025 = 18791^2 + 17995^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169230425 + ... + 169230428.

Almost surely, 2^676921706 is an apocalyptic number.

676921706 is a deficient number, since it is larger than the sum of its proper divisors (338460856).

676921706 is a wasteful number, since it uses less digits than its factorization.

676921706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338460855.

The product of its (nonzero) digits is 190512, while the sum is 44.

The square root of 676921706 is about 26017.7190775825. The cubic root of 676921706 is about 878.0369923341.

The spelling of 676921706 in words is "six hundred seventy-six million, nine hundred twenty-one thousand, seven hundred six".