30229760 has 144 divisors (see below), whose sum is σ = 83885760. Its totient is φ = 10321920.

The previous prime is 30229739. The next prime is 30229763. The reversal of 30229760 is 6792203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30229763) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 267464 + ... + 267576.

It is an arithmetic number, because the mean of its divisors is an integer number (582540).

Almost surely, 2^30229760 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 30229760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41942880).

30229760 is an abundant number, since it is smaller than the sum of its proper divisors (53656000).

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

30229760 is a wasteful number, since it uses less digits than its factorization.

30229760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164 (or 150 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 30229760 is about 5498.1596921152. The cubic root of 30229760 is about 311.5144760433.

The spelling of 30229760 in words is "thirty million, two hundred twenty-nine thousand, seven hundred sixty".