30774666 has 32 divisors (see below), whose sum is σ = 67229568. Its totient is φ = 9334080.

The previous prime is 30774647. The next prime is 30774671. The reversal of 30774666 is 66647703.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 2760 + ... + 8316.

It is an arithmetic number, because the mean of its divisors is an integer number (2100924).

Almost surely, 2^30774666 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30774666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33614784).

30774666 is an abundant number, since it is smaller than the sum of its proper divisors (36454902).

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

30774666 is a wasteful number, since it uses less digits than its factorization.

30774666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5646.

The product of its (nonzero) digits is 127008, while the sum is 39.

The square root of 30774666 is about 5547.4918656993. The cubic root of 30774666 is about 313.3750739122.

The spelling of 30774666 in words is "thirty million, seven hundred seventy-four thousand, six hundred sixty-six".