30365472 has 48 divisors (see below), whose sum is σ = 80916192. Its totient is φ = 9968640.

The previous prime is 30365459. The next prime is 30365483. The reversal of 30365472 is 27456303.

It is a tau number, because it is divible by the number of its divisors (48).

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4072 + ... + 8792.

It is an arithmetic number, because the mean of its divisors is an integer number (1685754).

Almost surely, 2^30365472 is an apocalyptic number.

30365472 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30365472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40458096).

30365472 is an abundant number, since it is smaller than the sum of its proper divisors (50550720).

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

30365472 is a wasteful number, since it uses less digits than its factorization.

30365472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4801 (or 4793 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 30.

The square root of 30365472 is about 5510.4874557520. The cubic root of 30365472 is about 311.9799461141.

The spelling of 30365472 in words is "thirty million, three hundred sixty-five thousand, four hundred seventy-two".