620577067 has 4 divisors (see below), whose sum is σ = 676993176. Its totient is φ = 564160960.

The previous prime is 620577059. The next prime is 620577077. The reversal of 620577067 is 760775026.

620577067 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 not a de Polignac number, because 620577067 - 2³ = 620577059 is a prime.

It is a Smith number, since the sum of its digits (40) 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 (620577017) 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, 28208038 + ... + 28208059.

It is an arithmetic number, because the mean of its divisors is an integer number (169248294).

Almost surely, 2^620577067 is an apocalyptic number.

620577067 is a deficient number, since it is larger than the sum of its proper divisors (56416109).

620577067 is a wasteful number, since it uses less digits than its factorization.

620577067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56416108.

The product of its (nonzero) digits is 123480, while the sum is 40.

The square root of 620577067 is about 24911.3842851015. The cubic root of 620577067 is about 852.9663679740.

The spelling of 620577067 in words is "six hundred twenty million, five hundred seventy-seven thousand, sixty-seven".