30806068 has 12 divisors (see below), whose sum is σ = 56748160. Its totient is φ = 14592312.

The previous prime is 30806063. The next prime is 30806071. The reversal of 30806068 is 86060803.

It is a super-3 number, since 3×30806068³ (a number of 23 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30806063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202596 + ... + 202747.

Almost surely, 2^30806068 is an apocalyptic number.

30806068 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

30806068 is a deficient number, since it is larger than the sum of its proper divisors (25942092).

30806068 is a wasteful number, since it uses less digits than its factorization.

30806068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405366 (or 405364 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 30806068 is about 5550.3214321335. The cubic root of 30806068 is about 313.4816253951.

The spelling of 30806068 in words is "thirty million, eight hundred six thousand, sixty-eight".