620208576 has 140 divisors (see below), whose sum is σ = 1980130152. Its totient is φ = 190812672.

The previous prime is 620208571. The next prime is 620208577. The reversal of 620208576 is 675802026.

620208576 is a `hidden beast` number, since 62 + 0 + 20 + 8 + 576 = 666.

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 620208576.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620208571) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 62791 + ... + 71993.

Almost surely, 2^620208576 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 620208576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (990065076).

620208576 is an abundant number, since it is smaller than the sum of its proper divisors (1359921576).

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

620208576 is a wasteful number, since it uses less digits than its factorization.

620208576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9240 (or 9221 counting only the distinct ones).

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

The square root of 620208576 is about 24903.9871506552. The cubic root of 620208576 is about 852.7975075813.

The spelling of 620208576 in words is "six hundred twenty million, two hundred eight thousand, five hundred seventy-six".