30669012 has 36 divisors (see below), whose sum is σ = 84573216. Its totient is φ = 9293520.

The previous prime is 30668999. The next prime is 30669017. The reversal of 30669012 is 21096603.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×30669012³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30669017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38328 + ... + 39119.

It is an arithmetic number, because the mean of its divisors is an integer number (2349256).

Almost surely, 2^30669012 is an apocalyptic number.

It is an amenable number.

30669012 is an abundant number, since it is smaller than the sum of its proper divisors (53904204).

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

30669012 is a wasteful number, since it uses less digits than its factorization.

30669012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77468 (or 77463 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 30669012 is about 5537.9609966124. The cubic root of 30669012 is about 313.0160416675.

The spelling of 30669012 in words is "thirty million, six hundred sixty-nine thousand, twelve".