30066505 has 16 divisors (see below), whose sum is σ = 41457024. Its totient is φ = 20505600.

The previous prime is 30066481. The next prime is 30066521. The reversal of 30066505 is 50566003.

It is not a de Polignac number, because 30066505 - 2²¹ = 27969353 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30066505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4530 + ... + 8980.

It is an arithmetic number, because the mean of its divisors is an integer number (2591064).

Almost surely, 2^30066505 is an apocalyptic number.

30066505 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30066505 is a deficient number, since it is larger than the sum of its proper divisors (11390519).

30066505 is a wasteful number, since it uses less digits than its factorization.

30066505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4656.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 30066505 is about 5483.2932622649. The cubic root of 30066505 is about 310.9526883568.

The spelling of 30066505 in words is "thirty million, sixty-six thousand, five hundred five".