670254 has 24 divisors (see below), whose sum is σ = 1453752. Its totient is φ = 205920.

The previous prime is 670249. The next prime is 670261. The reversal of 670254 is 452076.

It is a happy number.

670254 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 670254.

It is an unprimeable number.

670254 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 684 + ... + 1344.

It is an arithmetic number, because the mean of its divisors is an integer number (60573).

2⁶⁷⁰²⁵⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 670254, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (726876).

670254 is an abundant number, since it is smaller than the sum of its proper divisors (783498).

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

670254 is a wasteful number, since it uses less digits than its factorization.

670254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692 (or 679 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 670254 is about 818.6904176794. The cubic root of 670254 is about 87.5144574750.

The spelling of 670254 in words is "six hundred seventy thousand, two hundred fifty-four".