30442572 has 36 divisors (see below), whose sum is σ = 77204400. Its totient is φ = 10114272.

The previous prime is 30442567. The next prime is 30442583. The reversal of 30442572 is 27524403.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11353 + ... + 13775.

Almost surely, 2^30442572 is an apocalyptic number.

It is an amenable number.

30442572 is an abundant number, since it is smaller than the sum of its proper divisors (46761828).

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

30442572 is a wasteful number, since it uses less digits than its factorization.

30442572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2782 (or 2777 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 30442572 is about 5517.4787720480. The cubic root of 30442572 is about 312.2437690570.

Adding to 30442572 its reverse (27524403), we get a palindrome (57966975).

The spelling of 30442572 in words is "thirty million, four hundred forty-two thousand, five hundred seventy-two".