630622705 has 8 divisors (see below), whose sum is σ = 764549352. Its totient is φ = 499296768.

The previous prime is 630622703. The next prime is 630622723. The reversal of 630622705 is 507226036.

630622705 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 109139809 + 521482896 = 10447^2 + 22836^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 630622705 - 2¹ = 630622703 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (630622703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 649642 + ... + 650611.

It is an arithmetic number, because the mean of its divisors is an integer number (95568669).

Almost surely, 2^630622705 is an apocalyptic number.

It is an amenable number.

630622705 is a deficient number, since it is larger than the sum of its proper divisors (133926647).

630622705 is a wasteful number, since it uses less digits than its factorization.

630622705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300355.

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 630622705 is about 25112.2023128200. The cubic root of 630622705 is about 857.5442403375.

The spelling of 630622705 in words is "six hundred thirty million, six hundred twenty-two thousand, seven hundred five".