30630766 has 4 divisors (see below), whose sum is σ = 45946152. Its totient is φ = 15315382.

The previous prime is 30630751. The next prime is 30630773. The reversal of 30630766 is 66703603.

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

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7657690 + ... + 7657693.

It is an arithmetic number, because the mean of its divisors is an integer number (11486538).

Almost surely, 2^30630766 is an apocalyptic number.

30630766 is a deficient number, since it is larger than the sum of its proper divisors (15315386).

30630766 is a wasteful number, since it uses less digits than its factorization.

30630766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15315385.

The product of its (nonzero) digits is 13608, while the sum is 31.

The square root of 30630766 is about 5534.5068434324. The cubic root of 30630766 is about 312.8858712813.

The spelling of 30630766 in words is "thirty million, six hundred thirty thousand, seven hundred sixty-six".