30106332 has 72 divisors (see below), whose sum is σ = 80196480. Its totient is φ = 9509760.

The previous prime is 30106331. The next prime is 30106361. The reversal of 30106332 is 23360103.

It is a happy number.

30106332 is a `hidden beast` number, since 30 + 1 + 0 + 633 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30106331) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58894 + ... + 59402.

It is an arithmetic number, because the mean of its divisors is an integer number (1113840).

Almost surely, 2^30106332 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 30106332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40098240).

30106332 is an abundant number, since it is smaller than the sum of its proper divisors (50090148).

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

30106332 is a wasteful number, since it uses less digits than its factorization.

30106332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603 (or 598 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 30106332 is about 5486.9237282835. The cubic root of 30106332 is about 311.0899268833.

Adding to 30106332 its reverse (23360103), we get a palindrome (53466435).

The spelling of 30106332 in words is "thirty million, one hundred six thousand, three hundred thirty-two".