30307068 has 96 divisors (see below), whose sum is σ = 86929920. Its totient is φ = 9054720.

The previous prime is 30307063. The next prime is 30307087. The reversal of 30307068 is 86070303.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30307063) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 115105 + ... + 115367.

It is an arithmetic number, because the mean of its divisors is an integer number (905520).

Almost surely, 2^30307068 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 30307068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43464960).

30307068 is an abundant number, since it is smaller than the sum of its proper divisors (56622852).

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

30307068 is a wasteful number, since it uses less digits than its factorization.

30307068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384 (or 376 counting only the distinct ones).

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

The square root of 30307068 is about 5505.1855554559. The cubic root of 30307068 is about 311.7798002478.

The spelling of 30307068 in words is "thirty million, three hundred seven thousand, sixty-eight".