620611072 has 80 divisors (see below), whose sum is σ = 1303023744. Its totient is φ = 294912000.

The previous prime is 620611067. The next prime is 620611073. The reversal of 620611072 is 270116026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620611073) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 967872 + ... + 968512.

Almost surely, 2^620611072 is an apocalyptic number.

620611072 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 620611072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (651511872).

620611072 is an abundant number, since it is smaller than the sum of its proper divisors (682412672).

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

620611072 is an equidigital number, since it uses as much as digits as its factorization.

620611072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751 (or 735 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 620611072 is about 24912.0667950293. The cubic root of 620611072 is about 852.9819473399.

Adding to 620611072 its reverse (270116026), we get a palindrome (890727098).

The spelling of 620611072 in words is "six hundred twenty million, six hundred eleven thousand, seventy-two".