670573 has 4 divisors (see below), whose sum is σ = 681628. Its totient is φ = 659520.

The previous prime is 670559. The next prime is 670577. The reversal of 670573 is 375076.

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 59049 + 611524 = 243^2 + 782^2 .

It is a cyclic number.

It is not a de Polignac number, because 670573 - 2⁵ = 670541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670577) 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, 5436 + ... + 5557.

It is an arithmetic number, because the mean of its divisors is an integer number (170407).

2⁶⁷⁰⁵⁷³ is an apocalyptic number.

It is an amenable number.

670573 is a deficient number, since it is larger than the sum of its proper divisors (11055).

670573 is a wasteful number, since it uses less digits than its factorization.

670573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11054.

The product of its (nonzero) digits is 4410, while the sum is 28.

The square root of 670573 is about 818.8852178419. The cubic root of 670573 is about 87.5283391200.

The spelling of 670573 in words is "six hundred seventy thousand, five hundred seventy-three".