30472432 has 20 divisors (see below), whose sum is σ = 62513856. Its totient is φ = 14339840.

The previous prime is 30472427. The next prime is 30472441. The reversal of 30472432 is 23427403.

It is a super-2 number, since 2×30472432² = 1857138223989248, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30472397 and 30472406.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 55744 + ... + 56287.

Almost surely, 2^30472432 is an apocalyptic number.

It is an amenable number.

30472432 is an abundant number, since it is smaller than the sum of its proper divisors (32041424).

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

30472432 is a wasteful number, since it uses less digits than its factorization.

30472432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112056 (or 112050 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 25.

The square root of 30472432 is about 5520.1840549025. The cubic root of 30472432 is about 312.3458251756.

Adding to 30472432 its reverse (23427403), we get a palindrome (53899835).

The spelling of 30472432 in words is "thirty million, four hundred seventy-two thousand, four hundred thirty-two".