670944794 has 8 divisors (see below), whose sum is σ = 1083833940. Its totient is φ = 309666816.

The previous prime is 670944761. The next prime is 670944847. The reversal of 670944794 is 497449076.

It can be written as a sum of positive squares in 2 ways, for example, as 658589569 + 12355225 = 25663^2 + 3515^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12902759 + ... + 12902810.

Almost surely, 2^670944794 is an apocalyptic number.

670944794 is a deficient number, since it is larger than the sum of its proper divisors (412889146).

670944794 is a wasteful number, since it uses less digits than its factorization.

670944794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25805584.

The product of its (nonzero) digits is 1524096, while the sum is 50.

The square root of 670944794 is about 25902.6020700624. The cubic root of 670944794 is about 875.4451260089.

The spelling of 670944794 in words is "six hundred seventy million, nine hundred forty-four thousand, seven hundred ninety-four".