30173328 has 60 divisors (see below), whose sum is σ = 84837948. Its totient is φ = 10010880.

The previous prime is 30173293. The next prime is 30173347. The reversal of 30173328 is 82337103.

It can be written as a sum of positive squares in 2 ways, for example, as 11614464 + 18558864 = 3408^2 + 4308^2 .

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, 45318 + ... + 45978.

Almost surely, 2^30173328 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 30173328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42418974).

30173328 is an abundant number, since it is smaller than the sum of its proper divisors (54664620).

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

30173328 is a wasteful number, since it uses less digits than its factorization.

30173328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992 (or 983 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 30173328 is about 5493.0253958998. The cubic root of 30173328 is about 311.3205133704.

The spelling of 30173328 in words is "thirty million, one hundred seventy-three thousand, three hundred twenty-eight".