30630763 has 4 divisors (see below), whose sum is σ = 30648960. Its totient is φ = 30612568.

The previous prime is 30630751. The next prime is 30630773. The reversal of 30630763 is 36703603.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30630763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30630703) 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, 6283 + ... + 10036.

It is an arithmetic number, because the mean of its divisors is an integer number (7662240).

Almost surely, 2^30630763 is an apocalyptic number.

30630763 is a deficient number, since it is larger than the sum of its proper divisors (18197).

30630763 is a wasteful number, since it uses less digits than its factorization.

30630763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18196.

The product of its (nonzero) digits is 6804, while the sum is 28.

The square root of 30630763 is about 5534.5065724055. The cubic root of 30630763 is about 312.8858610665.

The spelling of 30630763 in words is "thirty million, six hundred thirty thousand, seven hundred sixty-three".