620075 has 12 divisors (see below), whose sum is σ = 814680. Its totient is φ = 466560.

The previous prime is 620051. The next prime is 620099. The reversal of 620075 is 570026.

It is an interprime number because it is at equal distance from previous prime (620051) and next prime (620099).

It is not a de Polignac number, because 620075 - 2⁸ = 619819 is a prime.

It is an unprimeable 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 in 11 ways as a sum of consecutive naturals, for example, 305 + ... + 1154.

It is an arithmetic number, because the mean of its divisors is an integer number (67890).

2⁶²⁰⁰⁷⁵ is an apocalyptic number.

620075 is a deficient number, since it is larger than the sum of its proper divisors (194605).

620075 is a wasteful number, since it uses less digits than its factorization.

620075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1486 (or 1481 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 620075 is about 787.4484110086. The cubic root of 620075 is about 85.2736280083.

The spelling of 620075 in words is "six hundred twenty thousand, seventy-five".