670794 has 8 divisors (see below), whose sum is σ = 1341600. Its totient is φ = 223596.

The previous prime is 670781. The next prime is 670811. The reversal of 670794 is 497076.

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

670794 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

670794 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55894 + ... + 55905.

It is an arithmetic number, because the mean of its divisors is an integer number (167700).

2⁶⁷⁰⁷⁹⁴ is an apocalyptic number.

670794 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

670794 is a wasteful number, since it uses less digits than its factorization.

670794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111804.

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 670794 is about 819.0201462724. The cubic root of 670794 is about 87.5379536031.

Subtracting from 670794 its sum of digits (33), we obtain a square (670761 = 819²).

The spelling of 670794 in words is "six hundred seventy thousand, seven hundred ninety-four".