30147724 has 12 divisors (see below), whose sum is σ = 52798144. Its totient is φ = 15062544.

The previous prime is 30147721. The next prime is 30147731. The reversal of 30147724 is 42774103.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 30147692 and 30147701.

It is not an unprimeable number, because it can be changed into a prime (30147721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6814 + ... + 10330.

Almost surely, 2^30147724 is an apocalyptic number.

It is an amenable number.

30147724 is a deficient number, since it is larger than the sum of its proper divisors (22650420).

30147724 is a wasteful number, since it uses less digits than its factorization.

30147724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5664 (or 5662 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 30147724 is about 5490.6943094658. The cubic root of 30147724 is about 311.2324299905.

The spelling of 30147724 in words is "thirty million, one hundred forty-seven thousand, seven hundred twenty-four".