670494 has 16 divisors (see below), whose sum is σ = 1463040. Its totient is φ = 203160.

The previous prime is 670493. The next prime is 670507. The reversal of 670494 is 494076.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670493) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 5014 + ... + 5145.

It is an arithmetic number, because the mean of its divisors is an integer number (91440).

2⁶⁷⁰⁴⁹⁴ is an apocalyptic number.

670494 is an abundant number, since it is smaller than the sum of its proper divisors (792546).

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

670494 is a wasteful number, since it uses less digits than its factorization.

670494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10175.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 670494 is about 818.8369801126. The cubic root of 670494 is about 87.5249017560.

It can be divided in two parts, 6 and 70494, that added together give a triangular number (70500 = T₃₇₅).

The spelling of 670494 in words is "six hundred seventy thousand, four hundred ninety-four".