620473300 has 72 divisors (see below), whose sum is σ = 1419409152. Its totient is φ = 234960000.

The previous prime is 620473289. The next prime is 620473309. The reversal of 620473300 is 3374026.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620473309) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 230965 + ... + 233635.

It is an arithmetic number, because the mean of its divisors is an integer number (19714016).

Almost surely, 2^620473300 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 620473300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (709704576).

620473300 is an abundant number, since it is smaller than the sum of its proper divisors (798935852).

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

620473300 is a wasteful number, since it uses less digits than its factorization.

620473300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2809 (or 2802 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 25.

The square root of 620473300 is about 24909.3014755533. The cubic root of 620473300 is about 852.9188236804.

The spelling of 620473300 in words is "six hundred twenty million, four hundred seventy-three thousand, three hundred".