30134746 has 4 divisors (see below), whose sum is σ = 45202122. Its totient is φ = 15067372.

The previous prime is 30134729. The next prime is 30134747. The reversal of 30134746 is 64743103.

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., 30129121 + 5625 = 5489^2 + 75^2 .

It is not an unprimeable number, because it can be changed into a prime (30134747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7533685 + ... + 7533688.

Almost surely, 2^30134746 is an apocalyptic number.

30134746 is a deficient number, since it is larger than the sum of its proper divisors (15067376).

30134746 is a wasteful number, since it uses less digits than its factorization.

30134746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15067375.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 30134746 is about 5489.5123645001. The cubic root of 30134746 is about 311.1877637750.

Adding to 30134746 its reverse (64743103), we get a palindrome (94877849).

The spelling of 30134746 in words is "thirty million, one hundred thirty-four thousand, seven hundred forty-six".