620028576 has 72 divisors (see below), whose sum is σ = 1766415924. Its totient is φ = 206300160.

The previous prime is 620028569. The next prime is 620028599. The reversal of 620028576 is 675820026.

620028576 is a `hidden beast` number, since 62 + 0 + 0 + 28 + 576 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 544755600 + 75272976 = 23340^2 + 8676^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 620028576.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 188740 + ... + 191996.

Almost surely, 2^620028576 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 620028576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (883207962).

620028576 is an abundant number, since it is smaller than the sum of its proper divisors (1146387348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

620028576 is a wasteful number, since it uses less digits than its factorization.

620028576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3934 (or 3923 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 620028576 is about 24900.3730092543. The cubic root of 620028576 is about 852.7149985621.

The spelling of 620028576 in words is "six hundred twenty million, twenty-eight thousand, five hundred seventy-six".