30000024 has 32 divisors (see below), whose sum is σ = 83334000. Its totient is φ = 9999936.

The previous prime is 30000023. The next prime is 30000037. The reversal of 30000024 is 42000003.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 29999970 and 30000015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30000023) 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, 69229 + ... + 69660.

Almost surely, 2^30000024 is an apocalyptic number.

It is an amenable number.

30000024 is an abundant number, since it is smaller than the sum of its proper divisors (53333976).

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

30000024 is a wasteful number, since it uses less digits than its factorization.

30000024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138904 (or 138894 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 9.

The square root of 30000024 is about 5477.2277659415. The cubic root of 30000024 is about 310.7233334549.

Adding to 30000024 its reverse (42000003), we get a palindrome (72000027).

The spelling of 30000024 in words is "thirty million, twenty-four", and thus it is an aban number.