30066447 has 4 divisors (see below), whose sum is σ = 40088600. Its totient is φ = 20044296.

The previous prime is 30066433. The next prime is 30066457. The reversal of 30066447 is 74466003.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 30066447 - 2⁶ = 30066383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30066457) 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, 5011072 + ... + 5011077.

It is an arithmetic number, because the mean of its divisors is an integer number (10022150).

Almost surely, 2^30066447 is an apocalyptic number.

30066447 is a deficient number, since it is larger than the sum of its proper divisors (10022153).

30066447 is a wasteful number, since it uses less digits than its factorization.

30066447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10022152.

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 30066447 is about 5483.2879734699. The cubic root of 30066447 is about 310.9524884082.

It can be divided in two parts, 3006 and 6447, that added together give a triangular number (9453 = T₁₃₇).

The spelling of 30066447 in words is "thirty million, sixty-six thousand, four hundred forty-seven".