620715072 has 112 divisors (see below), whose sum is σ = 1741017600. Its totient is φ = 194826240.

The previous prime is 620715061. The next prime is 620715083. The reversal of 620715072 is 270517026.

620715072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (620715061) and next prime (620715083).

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, 226929 + ... + 229647.

It is an arithmetic number, because the mean of its divisors is an integer number (15544800).

Almost surely, 2^620715072 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 620715072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (870508800).

620715072 is an abundant number, since it is smaller than the sum of its proper divisors (1120302528).

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

620715072 is a wasteful number, since it uses less digits than its factorization.

620715072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2804 (or 2794 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 620715072 is about 24914.1540494555. The cubic root of 620715072 is about 853.0295913323.

The spelling of 620715072 in words is "six hundred twenty million, seven hundred fifteen thousand, seventy-two".