30664085 has 4 divisors (see below), whose sum is σ = 36796908. Its totient is φ = 24531264.

The previous prime is 30664079. The next prime is 30664097. The reversal of 30664085 is 58046603.

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 5121169 + 25542916 = 2263^2 + 5054^2 .

It is a cyclic number.

It is not a de Polignac number, because 30664085 - 2²⁴ = 13886869 is a prime.

It is a super-2 number, since 2×30664085² = 1880572217774450, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3066404 + ... + 3066413.

It is an arithmetic number, because the mean of its divisors is an integer number (9199227).

Almost surely, 2^30664085 is an apocalyptic number.

It is an amenable number.

30664085 is a deficient number, since it is larger than the sum of its proper divisors (6132823).

30664085 is an equidigital number, since it uses as much as digits as its factorization.

30664085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6132822.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 30664085 is about 5537.5161399313. The cubic root of 30664085 is about 312.9992786817. Note that the first 3 decimals are identical.

The spelling of 30664085 in words is "thirty million, six hundred sixty-four thousand, eighty-five".