670694 has 4 divisors (see below), whose sum is σ = 1006044. Its totient is φ = 335346.

The previous prime is 670693. The next prime is 670711. The reversal of 670694 is 496076.

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

It is a self number, because there is not a number n which added to its sum of digits gives 670694.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167672 + ... + 167675.

It is an arithmetic number, because the mean of its divisors is an integer number (251511).

2⁶⁷⁰⁶⁹⁴ is an apocalyptic number.

670694 is a deficient number, since it is larger than the sum of its proper divisors (335350).

670694 is a wasteful number, since it uses less digits than its factorization.

670694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335349.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 670694 is about 818.9590954376. The cubic root of 670694 is about 87.5336034199.

The spelling of 670694 in words is "six hundred seventy thousand, six hundred ninety-four".