30327472 has 60 divisors (see below), whose sum is σ = 69209856. Its totient is φ = 12835200.

The previous prime is 30327469. The next prime is 30327491. The reversal of 30327472 is 27472303.

30327472 = T₁₀₈₈ + T₁₀₈₉ + ... + T₁₁₃₆.

It is a Harshad number since it is a multiple of its sum of digits (28).

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

It is a self number, because there is not a number n which added to its sum of digits gives 30327472.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78993 + ... + 79375.

Almost surely, 2^30327472 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 30327472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34604928).

30327472 is an abundant number, since it is smaller than the sum of its proper divisors (38882384).

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

30327472 is a wasteful number, since it uses less digits than its factorization.

30327472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506 (or 493 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 28.

The square root of 30327472 is about 5507.0384055316. The cubic root of 30327472 is about 311.8497523346.

Adding to 30327472 its reverse (27472303), we get a palindrome (57799775).

The spelling of 30327472 in words is "thirty million, three hundred twenty-seven thousand, four hundred seventy-two".