620437741 has 16 divisors (see below), whose sum is σ = 789995520. Its totient is φ = 473168880.

The previous prime is 620437739. The next prime is 620437747. The reversal of 620437741 is 147734026.

It is a cyclic number.

It is not a de Polignac number, because 620437741 - 2¹ = 620437739 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 620437697 and 620437706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620437747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82101 + ... + 89338.

It is an arithmetic number, because the mean of its divisors is an integer number (49374720).

Almost surely, 2^620437741 is an apocalyptic number.

It is an amenable number.

620437741 is a deficient number, since it is larger than the sum of its proper divisors (169557779).

620437741 is a wasteful number, since it uses less digits than its factorization.

620437741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171504.

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 620437741 is about 24908.5876958129. The cubic root of 620437741 is about 852.9025299254.

The spelling of 620437741 in words is "six hundred twenty million, four hundred thirty-seven thousand, seven hundred forty-one".