30106372 has 6 divisors (see below), whose sum is σ = 52686158. Its totient is φ = 15053184.

The previous prime is 30106369. The next prime is 30106387. The reversal of 30106372 is 27360103.

It can be written as a sum of positive squares in only one way, i.e., 25969216 + 4137156 = 5096^2 + 2034^2 .

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 as a sum of consecutive naturals, namely, 3763293 + ... + 3763300.

Almost surely, 2^30106372 is an apocalyptic number.

It is an amenable number.

30106372 is a deficient number, since it is larger than the sum of its proper divisors (22579786).

30106372 is a wasteful number, since it uses less digits than its factorization.

30106372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7526597 (or 7526595 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 30106372 is about 5486.9273733120. The cubic root of 30106372 is about 311.0900646571.

Adding to 30106372 its reverse (27360103), we get a palindrome (57466475).

The spelling of 30106372 in words is "thirty million, one hundred six thousand, three hundred seventy-two".