30630973 has 8 divisors (see below), whose sum is σ = 31046400. Its totient is φ = 30218640.

The previous prime is 30630961. The next prime is 30631001. The reversal of 30630973 is 37903603.

It is a happy number.

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 30630973 - 2⁹ = 30630461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30630913) 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, 24268 + ... + 25498.

It is an arithmetic number, because the mean of its divisors is an integer number (3880800).

Almost surely, 2^30630973 is an apocalyptic number.

It is an amenable number.

30630973 is a deficient number, since it is larger than the sum of its proper divisors (415427).

30630973 is a wasteful number, since it uses less digits than its factorization.

30630973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1547.

The product of its (nonzero) digits is 10206, while the sum is 31.

The square root of 30630973 is about 5534.5255442540. The cubic root of 30630973 is about 312.8865760980.

The spelling of 30630973 in words is "thirty million, six hundred thirty thousand, nine hundred seventy-three".