620272 has 10 divisors (see below), whose sum is σ = 1201808. Its totient is φ = 310128.

The previous prime is 620261. The next prime is 620297. The reversal of 620272 is 272026.

It is a happy number.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

620272 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 as a sum of consecutive naturals, namely, 19368 + ... + 19399.

2⁶²⁰²⁷² is an apocalyptic number.

It is an amenable number.

620272 is a deficient number, since it is larger than the sum of its proper divisors (581536).

620272 is a wasteful number, since it uses less digits than its factorization.

620272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38775 (or 38769 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 620272 is about 787.5734886346. The cubic root of 620272 is about 85.2826576289.

Adding to 620272 its reverse (272026), we get a palindrome (892298).

The spelling of 620272 in words is "six hundred twenty thousand, two hundred seventy-two".