30034661 has 4 divisors (see below), whose sum is σ = 30061152. Its totient is φ = 30008172.

The previous prime is 30034651. The next prime is 30034663. The reversal of 30034661 is 16643003.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16643003 = 13 ⋅1280231.

It is a cyclic number.

It is not a de Polignac number, because 30034661 - 2¹⁸ = 29772517 is a prime.

It is a super-2 number, since 2×30034661² = 1804161722769842, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30034663) 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, 11465 + ... + 13838.

It is an arithmetic number, because the mean of its divisors is an integer number (7515288).

Almost surely, 2^30034661 is an apocalyptic number.

It is an amenable number.

30034661 is a deficient number, since it is larger than the sum of its proper divisors (26491).

30034661 is a wasteful number, since it uses less digits than its factorization.

30034661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26490.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 30034661 is about 5480.3887635824. The cubic root of 30034661 is about 310.8428709675.

Adding to 30034661 its reverse (16643003), we get a palindrome (46677664).

The spelling of 30034661 in words is "thirty million, thirty-four thousand, six hundred sixty-one".