630745773 has 32 divisors (see below), whose sum is σ = 976394496. Its totient is φ = 354751488.

The previous prime is 630745751. The next prime is 630745777. The reversal of 630745773 is 377547036.

630745773 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 630745773 - 2⁵ = 630745741 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630745777) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 371715 + ... + 373407.

It is an arithmetic number, because the mean of its divisors is an integer number (30512328).

Almost surely, 2^630745773 is an apocalyptic number.

It is an amenable number.

630745773 is a deficient number, since it is larger than the sum of its proper divisors (345648723).

630745773 is a wasteful number, since it uses less digits than its factorization.

630745773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1973.

The product of its (nonzero) digits is 370440, while the sum is 42.

The square root of 630745773 is about 25114.6525558288. The cubic root of 630745773 is about 857.6000208590.

The spelling of 630745773 in words is "six hundred thirty million, seven hundred forty-five thousand, seven hundred seventy-three".