620683064 has 16 divisors (see below), whose sum is σ = 1167139800. Its totient is φ = 309445792.

The previous prime is 620683043. The next prime is 620683067. The reversal of 620683064 is 460386026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620683067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109019 + ... + 114570.

Almost surely, 2^620683064 is an apocalyptic number.

It is an amenable number.

620683064 is a deficient number, since it is larger than the sum of its proper divisors (546456736).

620683064 is a wasteful number, since it uses less digits than its factorization.

620683064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223942 (or 223938 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 620683064 is about 24913.5116753941. The cubic root of 620683064 is about 853.0149285444.

The spelling of 620683064 in words is "six hundred twenty million, six hundred eighty-three thousand, sixty-four".