30471424 has 36 divisors (see below), whose sum is σ = 62487124. Its totient is φ = 14819328.

The previous prime is 30471407. The next prime is 30471433. The reversal of 30471424 is 42417403.

It can be written as a sum of positive squares in 2 ways, for example, as 27373824 + 3097600 = 5232^2 + 1760^2 .

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

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, 7864 + ... + 11080.

Almost surely, 2^30471424 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 30471424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31243562).

30471424 is an abundant number, since it is smaller than the sum of its proper divisors (32015700).

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

30471424 is an equidigital number, since it uses as much as digits as its factorization.

30471424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3270 (or 3256 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 30471424 is about 5520.0927528439. The cubic root of 30471424 is about 312.3423811001.

Adding to 30471424 its reverse (42417403), we get a palindrome (72888827).

The spelling of 30471424 in words is "thirty million, four hundred seventy-one thousand, four hundred twenty-four".