30774085 has 4 divisors (see below), whose sum is σ = 36928908. Its totient is φ = 24619264.

The previous prime is 30774071. The next prime is 30774089. The reversal of 30774085 is 58047703.

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

It can be written as a sum of positive squares in 2 ways, for example, as 21520321 + 9253764 = 4639^2 + 3042^2 .

It is a cyclic number.

It is not a de Polignac number, because 30774085 - 2¹³ = 30765893 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30774085.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30774089) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3077404 + ... + 3077413.

It is an arithmetic number, because the mean of its divisors is an integer number (9232227).

Almost surely, 2^30774085 is an apocalyptic number.

It is an amenable number.

30774085 is a deficient number, since it is larger than the sum of its proper divisors (6154823).

30774085 is an equidigital number, since it uses as much as digits as its factorization.

30774085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6154822.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 30774085 is about 5547.4394994448. The cubic root of 30774085 is about 313.3731018132.

The spelling of 30774085 in words is "thirty million, seven hundred seventy-four thousand, eighty-five".