620716318 has 8 divisors (see below), whose sum is σ = 971556048. Its totient is φ = 296864304.

The previous prime is 620716307. The next prime is 620716363. The reversal of 620716318 is 813617026.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 6746871 + ... + 6746962.

It is an arithmetic number, because the mean of its divisors is an integer number (121444506).

Almost surely, 2^620716318 is an apocalyptic number.

620716318 is a deficient number, since it is larger than the sum of its proper divisors (350839730).

620716318 is a wasteful number, since it uses less digits than its factorization.

620716318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13493858.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 620716318 is about 24914.1790553090. The cubic root of 620716318 is about 853.0301621118.

The spelling of 620716318 in words is "six hundred twenty million, seven hundred sixteen thousand, three hundred eighteen".