30242666 has 16 divisors (see below), whose sum is σ = 46637640. Its totient is φ = 14699520.

The previous prime is 30242651. The next prime is 30242669. The reversal of 30242666 is 66624203.

It can be written as a sum of positive squares in 4 ways, for example, as 11363641 + 18879025 = 3371^2 + 4345^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30242669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32090 + ... + 33018.

Almost surely, 2^30242666 is an apocalyptic number.

30242666 is a deficient number, since it is larger than the sum of its proper divisors (16394974).

30242666 is a wasteful number, since it uses less digits than its factorization.

30242666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1369.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 30242666 is about 5499.3332323110. Note that the first 3 decimals coincide. The cubic root of 30242666 is about 311.5588013905.

Adding to 30242666 its reverse (66624203), we get a palindrome (96866869).

The spelling of 30242666 in words is "thirty million, two hundred forty-two thousand, six hundred sixty-six".