620630267 has 8 divisors (see below), whose sum is σ = 637821792. Its totient is φ = 603460800.

The previous prime is 620630251. The next prime is 620630291. The reversal of 620630267 is 762036026.

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 620630267 - 2⁴ = 620630251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (620630207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63167 + ... + 72327.

It is an arithmetic number, because the mean of its divisors is an integer number (79727724).

Almost surely, 2^620630267 is an apocalyptic number.

620630267 is a deficient number, since it is larger than the sum of its proper divisors (17191525).

620630267 is a wasteful number, since it uses less digits than its factorization.

620630267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11029.

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 620630267 is about 24912.4520471189. The cubic root of 620630267 is about 852.9907412638.

The spelling of 620630267 in words is "six hundred twenty million, six hundred thirty thousand, two hundred sixty-seven".