30072752 has 20 divisors (see below), whose sum is σ = 58433760. Its totient is φ = 14993088.

The previous prime is 30072751. The next prime is 30072769. The reversal of 30072752 is 25727003.

It is not an unprimeable number, because it can be changed into a prime (30072751) 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, 3449 + ... + 8487.

It is an arithmetic number, because the mean of its divisors is an integer number (2921688).

Almost surely, 2^30072752 is an apocalyptic number.

It is an amenable number.

30072752 is a deficient number, since it is larger than the sum of its proper divisors (28361008).

30072752 is a wasteful number, since it uses less digits than its factorization.

30072752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5420 (or 5414 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 26.

The square root of 30072752 is about 5483.8628721003. The cubic root of 30072752 is about 310.9742226958.

Adding to 30072752 its reverse (25727003), we get a palindrome (55799755).

The spelling of 30072752 in words is "thirty million, seventy-two thousand, seven hundred fifty-two".