670441678 has 8 divisors (see below), whose sum is σ = 1007954640. Its totient is φ = 334456800.

The previous prime is 670441627. The next prime is 670441693. The reversal of 670441678 is 876144076.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 380923 + ... + 382678.

It is an arithmetic number, because the mean of its divisors is an integer number (125994330).

Almost surely, 2^670441678 is an apocalyptic number.

670441678 is a deficient number, since it is larger than the sum of its proper divisors (337512962).

670441678 is a wasteful number, since it uses less digits than its factorization.

670441678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764042.

The product of its (nonzero) digits is 225792, while the sum is 43.

The square root of 670441678 is about 25892.8885603750. Note that the first 3 decimals coincide. The cubic root of 670441678 is about 875.2262502821.

The spelling of 670441678 in words is "six hundred seventy million, four hundred forty-one thousand, six hundred seventy-eight".