30430745 has 8 divisors (see below), whose sum is σ = 37206216. Its totient is φ = 23885056.

The previous prime is 30430739. The next prime is 30430753. The reversal of 30430745 is 54703403.

It can be written as a sum of positive squares in 4 ways, for example, as 169744 + 30261001 = 412^2 + 5501^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30430745 - 2⁶ = 30430681 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57152 + ... + 57681.

It is an arithmetic number, because the mean of its divisors is an integer number (4650777).

Almost surely, 2^30430745 is an apocalyptic number.

It is an amenable number.

30430745 is a deficient number, since it is larger than the sum of its proper divisors (6775471).

30430745 is a wasteful number, since it uses less digits than its factorization.

30430745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114891.

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 30430745 is about 5516.4068921718. The cubic root of 30430745 is about 312.2033280435.

The spelling of 30430745 in words is "thirty million, four hundred thirty thousand, seven hundred forty-five".