620763071 has 2 divisors, whose sum is σ = 620763072. Its totient is φ = 620763070.

The previous prime is 620763049. The next prime is 620763113. The reversal of 620763071 is 170367026.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 620763071 - 2¹⁸ = 620500927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (620763971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310381535 + 310381536.

It is an arithmetic number, because the mean of its divisors is an integer number (310381536).

Almost surely, 2^620763071 is an apocalyptic number.

620763071 is a deficient number, since it is larger than the sum of its proper divisors (1).

620763071 is an equidigital number, since it uses as much as digits as its factorization.

620763071 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 620763071 is about 24915.1173186080. The cubic root of 620763071 is about 853.0515786143.

The spelling of 620763071 in words is "six hundred twenty million, seven hundred sixty-three thousand, seventy-one".