30406068 has 108 divisors (see below), whose sum is σ = 97598592. Its totient is φ = 7892640.

The previous prime is 30406067. The next prime is 30406087. The reversal of 30406068 is 86060403.

It is a super-3 number, since 3×30406068³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30406067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 18621 + ... + 20187.

Almost surely, 2^30406068 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 30406068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48799296).

30406068 is an abundant number, since it is smaller than the sum of its proper divisors (67192524).

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

30406068 is a wasteful number, since it uses less digits than its factorization.

30406068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1602 (or 1590 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 30406068 is about 5514.1697471152. The cubic root of 30406068 is about 312.1189142379.

The spelling of 30406068 in words is "thirty million, four hundred six thousand, sixty-eight".