620107673 has 2 divisors, whose sum is σ = 620107674. Its totient is φ = 620107672.

The previous prime is 620107661. The next prime is 620107717. The reversal of 620107673 is 376701026.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 619661449 + 446224 = 24893^2 + 668^2 .

It is a cyclic number.

It is not a de Polignac number, because 620107673 - 2¹⁰ = 620106649 is a prime.

It is a super-2 number, since 2×620107673² = 769067052226949858, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (620107643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310053836 + 310053837.

It is an arithmetic number, because the mean of its divisors is an integer number (310053837).

Almost surely, 2^620107673 is an apocalyptic number.

It is an amenable number.

620107673 is a deficient number, since it is larger than the sum of its proper divisors (1).

620107673 is an equidigital number, since it uses as much as digits as its factorization.

620107673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 620107673 is about 24901.9612279836. The cubic root of 620107673 is about 852.7512572836.

Adding to 620107673 its reverse (376701026), we get a palindrome (996808699).

The spelling of 620107673 in words is "six hundred twenty million, one hundred seven thousand, six hundred seventy-three".