620767241 has 8 divisors (see below), whose sum is σ = 643507200. Its totient is φ = 598341168.

The previous prime is 620767187. The next prime is 620767247. The reversal of 620767241 is 142767026.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-620767241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (620767247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74441 + ... + 82358.

It is an arithmetic number, because the mean of its divisors is an integer number (80438400).

Almost surely, 2^620767241 is an apocalyptic number.

It is an amenable number.

620767241 is a deficient number, since it is larger than the sum of its proper divisors (22739959).

620767241 is a wasteful number, since it uses less digits than its factorization.

620767241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156943.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 620767241 is about 24915.2010026008. The cubic root of 620767241 is about 853.0534887458.

The spelling of 620767241 in words is "six hundred twenty million, seven hundred sixty-seven thousand, two hundred forty-one".