620316073 has 8 divisors (see below), whose sum is σ = 669720968. Its totient is φ = 571152384.

The previous prime is 620316031. The next prime is 620316079. The reversal of 620316073 is 370613026.

620316073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 4631104 + 615684969 = 2152^2 + 24813^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 620316073 - 2¹³ = 620307881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (620316079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54936 + ... + 65257.

It is an arithmetic number, because the mean of its divisors is an integer number (83715121).

Almost surely, 2^620316073 is an apocalyptic number.

It is an amenable number.

620316073 is a deficient number, since it is larger than the sum of its proper divisors (49404895).

620316073 is a wasteful number, since it uses less digits than its factorization.

620316073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120603.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 620316073 is about 24906.1452858526. The cubic root of 620316073 is about 852.8467748124.

Adding to 620316073 its reverse (370613026), we get a palindrome (990929099).

The spelling of 620316073 in words is "six hundred twenty million, three hundred sixteen thousand, seventy-three".