670453 has 12 divisors (see below), whose sum is σ = 818080. Its totient is φ = 536760.

The previous prime is 670447. The next prime is 670457. The reversal of 670453 is 354076.

It is not a de Polignac number, because 670453 - 2¹³ = 662261 is a prime.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670457) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9408 + ... + 9478.

2⁶⁷⁰⁴⁵³ is an apocalyptic number.

It is an amenable number.

670453 is a deficient number, since it is larger than the sum of its proper divisors (147627).

670453 is an equidigital number, since it uses as much as digits as its factorization.

670453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168 (or 97 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 670453 is about 818.8119442216. The cubic root of 670453 is about 87.5231177012.

The spelling of 670453 in words is "six hundred seventy thousand, four hundred fifty-three".