670500 has 72 divisors (see below), whose sum is σ = 2129400. Its totient is φ = 177600.

The previous prime is 670493. The next prime is 670507. The reversal of 670500 is 5076.

It is an interprime number because it is at equal distance from previous prime (670493) and next prime (670507).

It can be written as a sum of positive squares in 4 ways, for example, as 116964 + 553536 = 342^2 + 744^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (670507) by changing a digit.

670500 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 23 ways as a sum of consecutive naturals, for example, 4426 + ... + 4574.

It is an arithmetic number, because the mean of its divisors is an integer number (29575).

2⁶⁷⁰⁵⁰⁰ is an apocalyptic number.

670500 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 670500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1064700).

670500 is an abundant number, since it is smaller than the sum of its proper divisors (1458900).

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

670500 is a wasteful number, since it uses less digits than its factorization.

670500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174 (or 159 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 18.

The square root of 670500 is about 818.8406438374. The cubic root of 670500 is about 87.5251628311.

Adding to 670500 its reverse (5076), we get a palindrome (675576).

The spelling of 670500 in words is "six hundred seventy thousand, five hundred".