30066725 has 24 divisors (see below), whose sum is σ = 40747392. Its totient is φ = 21873600.

The previous prime is 30066709. The next prime is 30066733. The reversal of 30066725 is 52766003.

It is not a de Polignac number, because 30066725 - 2⁴ = 30066709 is a prime.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22424 + ... + 23726.

It is an arithmetic number, because the mean of its divisors is an integer number (1697808).

Almost surely, 2^30066725 is an apocalyptic number.

It is an amenable number.

30066725 is a deficient number, since it is larger than the sum of its proper divisors (10680667).

30066725 is a wasteful number, since it uses less digits than its factorization.

30066725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1397 (or 1392 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 30066725 is about 5483.3133231651. The cubic root of 30066725 is about 310.9534467803.

The spelling of 30066725 in words is "thirty million, sixty-six thousand, seven hundred twenty-five".