30432252 has 48 divisors (see below), whose sum is σ = 74057760. Its totient is φ = 9714432.

The previous prime is 30432251. The next prime is 30432253. The reversal of 30432252 is 25223403.

It is an interprime number because it is at equal distance from previous prime (30432251) and next prime (30432253).

It is a super-2 number, since 2×30432252² = 1852243923583008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30432251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54358 + ... + 54914.

It is an arithmetic number, because the mean of its divisors is an integer number (1542870).

Almost surely, 2^30432252 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 30432252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37028880).

30432252 is an abundant number, since it is smaller than the sum of its proper divisors (43625508).

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

30432252 is a wasteful number, since it uses less digits than its factorization.

30432252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750 (or 748 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 30432252 is about 5516.5434830154. The cubic root of 30432252 is about 312.2084816324.

Adding to 30432252 its reverse (25223403), we get a palindrome (55655655).

The spelling of 30432252 in words is "thirty million, four hundred thirty-two thousand, two hundred fifty-two".