30134775 has 24 divisors (see below), whose sum is σ = 54353664. Its totient is φ = 14610400.

The previous prime is 30134773. The next prime is 30134831. The reversal of 30134775 is 57743103.

It is not a de Polignac number, because 30134775 - 2¹ = 30134773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30134773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17439 + ... + 19088.

It is an arithmetic number, because the mean of its divisors is an integer number (2264736).

Almost surely, 2^30134775 is an apocalyptic number.

30134775 is a deficient number, since it is larger than the sum of its proper divisors (24218889).

30134775 is a wasteful number, since it uses less digits than its factorization.

30134775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36551 (or 36546 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 30.

The square root of 30134775 is about 5489.5150058999. The cubic root of 30134775 is about 311.1878635982.

Adding to 30134775 its reverse (57743103), we get a palindrome (87877878).

The spelling of 30134775 in words is "thirty million, one hundred thirty-four thousand, seven hundred seventy-five".