30630564 has 18 divisors (see below), whose sum is σ = 77427350. Its totient is φ = 10210176.

The previous prime is 30630559. The next prime is 30630599. The reversal of 30630564 is 46503603.

It can be written as a sum of positive squares in only one way, i.e., 23912100 + 6718464 = 4890^2 + 2592^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 425389 + ... + 425460.

Almost surely, 2^30630564 is an apocalyptic number.

It is an amenable number.

30630564 is an abundant number, since it is smaller than the sum of its proper divisors (46796786).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30630564 is a wasteful number, since it uses less digits than its factorization.

30630564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850859 (or 850854 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 30630564 is about 5534.4885942605. The cubic root of 30630564 is about 312.8851834860.

The spelling of 30630564 in words is "thirty million, six hundred thirty thousand, five hundred sixty-four".