30045706 has 4 divisors (see below), whose sum is σ = 45068562. Its totient is φ = 15022852.

The previous prime is 30045703. The next prime is 30045713. The reversal of 30045706 is 60754003.

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

It can be written as a sum of positive squares in only one way, i.e., 29800681 + 245025 = 5459^2 + 495^2 .

It is not an unprimeable number, because it can be changed into a prime (30045703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7511425 + ... + 7511428.

Almost surely, 2^30045706 is an apocalyptic number.

30045706 is a deficient number, since it is larger than the sum of its proper divisors (15022856).

30045706 is a wasteful number, since it uses less digits than its factorization.

30045706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15022855.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 30045706 is about 5481.3963549446. The cubic root of 30045706 is about 310.8809696023.

Adding to 30045706 its reverse (60754003), we get a palindrome (90799709).

The spelling of 30045706 in words is "thirty million, forty-five thousand, seven hundred six".