30042752 has 32 divisors (see below), whose sum is σ = 60628800. Its totient is φ = 14826240.

The previous prime is 30042737. The next prime is 30042773. The reversal of 30042752 is 25724003.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8627 + ... + 11597.

It is an arithmetic number, because the mean of its divisors is an integer number (1894650).

Almost surely, 2^30042752 is an apocalyptic number.

30042752 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 30042752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30314400).

30042752 is an abundant number, since it is smaller than the sum of its proper divisors (30586048).

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

30042752 is an equidigital number, since it uses as much as digits as its factorization.

30042752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3064 (or 3052 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 30042752 is about 5481.1268914339. The cubic root of 30042752 is about 310.8707809863.

Adding to 30042752 its reverse (25724003), we get a palindrome (55766755).

The spelling of 30042752 in words is "thirty million, forty-two thousand, seven hundred fifty-two".