630224773 has 2 divisors, whose sum is σ = 630224774. Its totient is φ = 630224772.

The previous prime is 630224759. The next prime is 630224789. The reversal of 630224773 is 377422036.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 626901444 + 3323329 = 25038^2 + 1823^2 .

It is a cyclic number.

It is not a de Polignac number, because 630224773 - 2⁵ = 630224741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (630224743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315112386 + 315112387.

It is an arithmetic number, because the mean of its divisors is an integer number (315112387).

Almost surely, 2^630224773 is an apocalyptic number.

It is an amenable number.

630224773 is a deficient number, since it is larger than the sum of its proper divisors (1).

630224773 is an equidigital number, since it uses as much as digits as its factorization.

630224773 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 34.

The square root of 630224773 is about 25104.2779820492. The cubic root of 630224773 is about 857.3638281334.

The spelling of 630224773 in words is "six hundred thirty million, two hundred twenty-four thousand, seven hundred seventy-three".