627256673 has 2 divisors, whose sum is σ = 627256674. Its totient is φ = 627256672.

The previous prime is 627256607. The next prime is 627256681. The reversal of 627256673 is 376652726.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 420127009 + 207129664 = 20497^2 + 14392^2 .

It is a cyclic number.

It is not a de Polignac number, because 627256673 - 2²² = 623062369 is a prime.

It is not a weakly prime, because it can be changed into another prime (627256073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 313628336 + 313628337.

It is an arithmetic number, because the mean of its divisors is an integer number (313628337).

Almost surely, 2^627256673 is an apocalyptic number.

It is an amenable number.

627256673 is a deficient number, since it is larger than the sum of its proper divisors (1).

627256673 is an equidigital number, since it uses as much as digits as its factorization.

627256673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 635040, while the sum is 44.

The square root of 627256673 is about 25045.0927928007. The cubic root of 627256673 is about 856.0157657336.

The spelling of 627256673 in words is "six hundred twenty-seven million, two hundred fifty-six thousand, six hundred seventy-three".