30934072 has 32 divisors (see below), whose sum is σ = 64159200. Its totient is φ = 13889664.

The previous prime is 30934069. The next prime is 30934073. The reversal of 30934072 is 27043903.

It is a self number, because there is not a number n which added to its sum of digits gives 30934072.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30934073) 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, 172 + ... + 7867.

It is an arithmetic number, because the mean of its divisors is an integer number (2004975).

Almost surely, 2^30934072 is an apocalyptic number.

It is an amenable number.

30934072 is an abundant number, since it is smaller than the sum of its proper divisors (33225128).

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

30934072 is a wasteful number, since it uses less digits than its factorization.

30934072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8095 (or 8091 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 30934072 is about 5561.8407025013. The cubic root of 30934072 is about 313.9152136964.

Adding to 30934072 its reverse (27043903), we get a palindrome (57977975).

The spelling of 30934072 in words is "thirty million, nine hundred thirty-four thousand, seventy-two".