630300729 has 4 divisors (see below), whose sum is σ = 840400976. Its totient is φ = 420200484.

The previous prime is 630300709. The next prime is 630300733. The reversal of 630300729 is 927003036.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 630300729 - 2¹⁵ = 630267961 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 630300696 and 630300705.

It is not an unprimeable number, because it can be changed into a prime (630300709) 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, 105050119 + ... + 105050124.

It is an arithmetic number, because the mean of its divisors is an integer number (210100244).

Almost surely, 2^630300729 is an apocalyptic number.

It is an amenable number.

630300729 is a deficient number, since it is larger than the sum of its proper divisors (210100247).

630300729 is a wasteful number, since it uses less digits than its factorization.

630300729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210100246.

The product of its (nonzero) digits is 6804, while the sum is 30.

The square root of 630300729 is about 25105.7907463597. The cubic root of 630300729 is about 857.3982705068.

It can be divided in two parts, 6303007 and 29, that added together give a palindrome (6303036).

The spelling of 630300729 in words is "six hundred thirty million, three hundred thousand, seven hundred twenty-nine".