30272752 has 40 divisors (see below), whose sum is σ = 61871040. Its totient is φ = 14327040.

The previous prime is 30272743. The next prime is 30272773. The reversal of 30272752 is 25727203.

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 self number, because there is not a number n which added to its sum of digits gives 30272752.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23977 + ... + 25207.

It is an arithmetic number, because the mean of its divisors is an integer number (1546776).

Almost surely, 2^30272752 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 30272752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30935520).

30272752 is an abundant number, since it is smaller than the sum of its proper divisors (31598288).

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

30272752 is a wasteful number, since it uses less digits than its factorization.

30272752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1321 (or 1315 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 28.

The square root of 30272752 is about 5502.0679748618. The cubic root of 30272752 is about 311.6620820942.

Adding to 30272752 its reverse (25727203), we get a palindrome (55999955).

The spelling of 30272752 in words is "thirty million, two hundred seventy-two thousand, seven hundred fifty-two".