30667068 has 18 divisors (see below), whose sum is σ = 77519624. Its totient is φ = 10222344.

The previous prime is 30667051. The next prime is 30667069. The reversal of 30667068 is 86076603.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 851863 = 30667068 / (3 + 0 + 6 + 6 + 7 + 0 + 6 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30667069) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 425896 + ... + 425967.

Almost surely, 2^30667068 is an apocalyptic number.

It is an amenable number.

30667068 is an abundant number, since it is smaller than the sum of its proper divisors (46852556).

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

30667068 is a wasteful number, since it uses less digits than its factorization.

30667068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851873 (or 851868 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 30667068 is about 5537.7854779686. The cubic root of 30667068 is about 313.0094278685.

The spelling of 30667068 in words is "thirty million, six hundred sixty-seven thousand, sixty-eight".