620071 has 8 divisors (see below), whose sum is σ = 645120. Its totient is φ = 595608.

The previous prime is 620051. The next prime is 620099. The reversal of 620071 is 170026.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 620071 - 2¹³ = 611879 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620051) 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, 3630 + ... + 3796.

It is an arithmetic number, because the mean of its divisors is an integer number (80640).

2⁶²⁰⁰⁷¹ is an apocalyptic number.

620071 is a deficient number, since it is larger than the sum of its proper divisors (25049).

620071 is a wasteful number, since it uses less digits than its factorization.

620071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 620071 is about 787.4458711556. The cubic root of 620071 is about 85.2734446459.

Adding to 620071 its reverse (170026), we get a palindrome (790097).

The spelling of 620071 in words is "six hundred twenty thousand, seventy-one".