620707 has 4 divisors (see below), whose sum is σ = 626616. Its totient is φ = 614800.

The previous prime is 620693. The next prime is 620717. The reversal of 620707 is 707026.

620707 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 620707 - 2⁷ = 620579 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (620717) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2794 + ... + 3007.

It is an arithmetic number, because the mean of its divisors is an integer number (156654).

2⁶²⁰⁷⁰⁷ is an apocalyptic number.

620707 is a deficient number, since it is larger than the sum of its proper divisors (5909).

620707 is a wasteful number, since it uses less digits than its factorization.

620707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5908.

The product of its (nonzero) digits is 588, while the sum is 22.

The square root of 620707 is about 787.8496049374. The cubic root of 620707 is about 85.3025893616.

The spelling of 620707 in words is "six hundred twenty thousand, seven hundred seven".