620583552 has 128 divisors (see below), whose sum is σ = 1855584000. Its totient is φ = 204152832.

The previous prime is 620583541. The next prime is 620583571. The reversal of 620583552 is 255385026.

It is a happy number.

620583552 is a `hidden beast` number, since 6 + 20 + 5 + 83 + 552 = 666.

It is a tau number, because it is divible by the number of its divisors (128).

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 271888 + ... + 274160.

It is an arithmetic number, because the mean of its divisors is an integer number (14496750).

Almost surely, 2^620583552 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 620583552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (927792000).

620583552 is an abundant number, since it is smaller than the sum of its proper divisors (1235000448).

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

620583552 is a wasteful number, since it uses less digits than its factorization.

620583552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2375 (or 2357 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 620583552 is about 24911.5144461351. The cubic root of 620583552 is about 852.9693391159.

The spelling of 620583552 in words is "six hundred twenty million, five hundred eighty-three thousand, five hundred fifty-two".