30476028 has 72 divisors (see below), whose sum is σ = 79246720. Its totient is φ = 9108000.

The previous prime is 30476021. The next prime is 30476059. The reversal of 30476028 is 82067403.

It is a super-3 number, since 3×30476028³ (a number of 23 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30475986 and 30476004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30476021) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 201753 + ... + 201903.

Almost surely, 2^30476028 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 30476028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39623360).

30476028 is an abundant number, since it is smaller than the sum of its proper divisors (48770692).

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

30476028 is a wasteful number, since it uses less digits than its factorization.

30476028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319 (or 306 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 30476028 is about 5520.5097590712. The cubic root of 30476028 is about 312.3581111593.

The spelling of 30476028 in words is "thirty million, four hundred seventy-six thousand, twenty-eight".