670620 has 24 divisors (see below), whose sum is σ = 1877904. Its totient is φ = 178816.

The previous prime is 670619. The next prime is 670627. The reversal of 670620 is 26076.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5529 + ... + 5648.

It is an arithmetic number, because the mean of its divisors is an integer number (78246).

2⁶⁷⁰⁶²⁰ is an apocalyptic number.

670620 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

670620 is an abundant number, since it is smaller than the sum of its proper divisors (1207284).

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

670620 is a wasteful number, since it uses less digits than its factorization.

670620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11189 (or 11187 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 670620 is about 818.9139148897. The cubic root of 670620 is about 87.5303840059.

Adding to 670620 its reverse (26076), we get a palindrome (696696).

The spelling of 670620 in words is "six hundred seventy thousand, six hundred twenty".