620270 has 16 divisors (see below), whose sum is σ = 1276128. Its totient is φ = 212640.

The previous prime is 620261. The next prime is 620297. The reversal of 620270 is 72026.

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 620270.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4361 + ... + 4500.

It is an arithmetic number, because the mean of its divisors is an integer number (79758).

2⁶²⁰²⁷⁰ is an apocalyptic number.

620270 is an abundant number, since it is smaller than the sum of its proper divisors (655858).

It is a weird number, because it is abundant, but not a pseudoperfect number.

620270 is a wasteful number, since it uses less digits than its factorization.

620270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8875.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 620270 is about 787.5722189107. The cubic root of 620270 is about 85.2825659672.

Adding to 620270 its reverse (72026), we get a palindrome (692296).

The spelling of 620270 in words is "six hundred twenty thousand, two hundred seventy".