30030972 has 12 divisors (see below), whose sum is σ = 70072296. Its totient is φ = 10010320.

The previous prime is 30030967. The next prime is 30030991. The reversal of 30030972 is 27903003.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1251279 + ... + 1251302.

It is an arithmetic number, because the mean of its divisors is an integer number (5839358).

Almost surely, 2^30030972 is an apocalyptic number.

It is an amenable number.

30030972 is an abundant number, since it is smaller than the sum of its proper divisors (40041324).

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

30030972 is a wasteful number, since it uses less digits than its factorization.

30030972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2502588 (or 2502586 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 24.

The square root of 30030972 is about 5480.0521895325. The cubic root of 30030972 is about 310.8301440462.

Adding to 30030972 its reverse (27903003), we get a palindrome (57933975).

The spelling of 30030972 in words is "thirty million, thirty thousand, nine hundred seventy-two".