30900706 has 4 divisors (see below), whose sum is σ = 46351062. Its totient is φ = 15450352.

The previous prime is 30900677. The next prime is 30900731. The reversal of 30900706 is 60700903.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60700903 = 397 ⋅152899.

It can be written as a sum of positive squares in only one way, i.e., 30702681 + 198025 = 5541^2 + 445^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 7725175 + ... + 7725178.

Almost surely, 2^30900706 is an apocalyptic number.

30900706 is a deficient number, since it is larger than the sum of its proper divisors (15450356).

30900706 is a wasteful number, since it uses less digits than its factorization.

30900706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15450355.

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 30900706 is about 5558.8403466910. The cubic root of 30900706 is about 313.8023083847.

The spelling of 30900706 in words is "thirty million, nine hundred thousand, seven hundred six".