30119712 has 144 divisors (see below), whose sum is σ = 97100640. Its totient is φ = 8128512.

The previous prime is 30119681. The next prime is 30119717. The reversal of 30119712 is 21791103.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (30119717) 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, 89208 + ... + 89544.

It is an arithmetic number, because the mean of its divisors is an integer number (674310).

Almost surely, 2^30119712 is an apocalyptic number.

30119712 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 30119712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48550320).

30119712 is an abundant number, since it is smaller than the sum of its proper divisors (66980928).

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

30119712 is a wasteful number, since it uses less digits than its factorization.

30119712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383 (or 368 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 24.

The square root of 30119712 is about 5488.1428552836. The cubic root of 30119712 is about 311.1360054154.

The spelling of 30119712 in words is "thirty million, one hundred nineteen thousand, seven hundred twelve".