620376128 has 14 divisors (see below), whose sum is σ = 1231059006. Its totient is φ = 310188032.

The previous prime is 620376073. The next prime is 620376131. The reversal of 620376128 is 821673026.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 481890304 + 138485824 = 21952^2 + 11768^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4846625 + ... + 4846752.

Almost surely, 2^620376128 is an apocalyptic number.

It is an amenable number.

620376128 is a deficient number, since it is larger than the sum of its proper divisors (610682878).

620376128 is an equidigital number, since it uses as much as digits as its factorization.

620376128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9693389 (or 9693379 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 620376128 is about 24907.3508828217. The cubic root of 620376128 is about 852.8742962984.

The spelling of 620376128 in words is "six hundred twenty million, three hundred seventy-six thousand, one hundred twenty-eight".