30745566 has 12 divisors (see below), whose sum is σ = 66615432. Its totient is φ = 10248516.

The previous prime is 30745543. The next prime is 30745579. The reversal of 30745566 is 66554703.

30745566 is a `hidden beast` number, since 30 + 74 + 556 + 6 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 30745566.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 854026 + ... + 854061.

It is an arithmetic number, because the mean of its divisors is an integer number (5551286).

Almost surely, 2^30745566 is an apocalyptic number.

30745566 is an abundant number, since it is smaller than the sum of its proper divisors (35869866).

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

30745566 is a wasteful number, since it uses less digits than its factorization.

30745566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1708095 (or 1708092 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 36.

The square root of 30745566 is about 5544.8684384753. The cubic root of 30745566 is about 313.2762687187.

The spelling of 30745566 in words is "thirty million, seven hundred forty-five thousand, five hundred sixty-six".