630772063 has 4 divisors (see below), whose sum is σ = 667876320. Its totient is φ = 593667808.

The previous prime is 630771997. The next prime is 630772073. The reversal of 630772063 is 360277036.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 630772063 - 2¹⁷ = 630640991 is a prime.

It is a super-2 number, since 2×630772063² = 795746790922551938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630772073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18552103 + ... + 18552136.

It is an arithmetic number, because the mean of its divisors is an integer number (166969080).

Almost surely, 2^630772063 is an apocalyptic number.

630772063 is a deficient number, since it is larger than the sum of its proper divisors (37104257).

630772063 is a wasteful number, since it uses less digits than its factorization.

630772063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37104256.

The product of its (nonzero) digits is 31752, while the sum is 34.

The square root of 630772063 is about 25115.1759500108. The cubic root of 630772063 is about 857.6119358504.

The spelling of 630772063 in words is "six hundred thirty million, seven hundred seventy-two thousand, sixty-three".