30072524 has 12 divisors (see below), whose sum is σ = 55722744. Its totient is φ = 14151744.

The previous prime is 30072517. The next prime is 30072529. The reversal of 30072524 is 42527003.

It is a self number, because there is not a number n which added to its sum of digits gives 30072524.

It is not an unprimeable number, because it can be changed into a prime (30072529) 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, 221054 + ... + 221189.

It is an arithmetic number, because the mean of its divisors is an integer number (4643562).

Almost surely, 2^30072524 is an apocalyptic number.

30072524 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

30072524 is a deficient number, since it is larger than the sum of its proper divisors (25650220).

30072524 is a wasteful number, since it uses less digits than its factorization.

30072524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442264 (or 442262 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 30072524 is about 5483.8420837949. The cubic root of 30072524 is about 310.9734367982.

Adding to 30072524 its reverse (42527003), we get a palindrome (72599527).

The spelling of 30072524 in words is "thirty million, seventy-two thousand, five hundred twenty-four".