30204372 has 48 divisors (see below), whose sum is σ = 78773184. Its totient is φ = 8928000.

The previous prime is 30204371. The next prime is 30204397. The reversal of 30204372 is 27340203.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30204371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2622 + ... + 8202.

It is an arithmetic number, because the mean of its divisors is an integer number (1641108).

Almost surely, 2^30204372 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30204372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39386592).

30204372 is an abundant number, since it is smaller than the sum of its proper divisors (48568812).

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

30204372 is a wasteful number, since it uses less digits than its factorization.

30204372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5640 (or 5638 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 21.

The square root of 30204372 is about 5495.8504346461. The cubic root of 30204372 is about 311.4272447349.

Adding to 30204372 its reverse (27340203), we get a palindrome (57544575).

It can be divided in two parts, 30 and 204372, that added together give a palindrome (204402).

The spelling of 30204372 in words is "thirty million, two hundred four thousand, three hundred seventy-two".