670793 has 4 divisors (see below), whose sum is σ = 678420. Its totient is φ = 663168.

The previous prime is 670781. The next prime is 670811. The reversal of 670793 is 397076.

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

It can be written as a sum of positive squares in 2 ways, for example, as 204304 + 466489 = 452^2 + 683^2 .

It is a cyclic number.

It is not a de Polignac number, because 670793 - 2⁴ = 670777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (670763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3680 + ... + 3857.

It is an arithmetic number, because the mean of its divisors is an integer number (169605).

2⁶⁷⁰⁷⁹³ is an apocalyptic number.

It is an amenable number.

670793 is a deficient number, since it is larger than the sum of its proper divisors (7627).

670793 is an equidigital number, since it uses as much as digits as its factorization.

670793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7626.

The product of its (nonzero) digits is 7938, while the sum is 32.

The square root of 670793 is about 819.0195357865. The cubic root of 670793 is about 87.5379101034.

Subtracting from 670793 its sum of digits (32), we obtain a square (670761 = 819²).

The spelling of 670793 in words is "six hundred seventy thousand, seven hundred ninety-three".