30734265 has 16 divisors (see below), whose sum is σ = 49243968. Its totient is φ = 16368576.

The previous prime is 30734257. The next prime is 30734269. The reversal of 30734265 is 56243703.

It is not a de Polignac number, because 30734265 - 2³ = 30734257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30734269) 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 15 ways as a sum of consecutive naturals, for example, 18447 + ... + 20043.

It is an arithmetic number, because the mean of its divisors is an integer number (3077748).

Almost surely, 2^30734265 is an apocalyptic number.

It is an amenable number.

30734265 is a deficient number, since it is larger than the sum of its proper divisors (18509703).

30734265 is a wasteful number, since it uses less digits than its factorization.

30734265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2888.

The product of its (nonzero) digits is 15120, while the sum is 30.

The square root of 30734265 is about 5543.8492944884. The cubic root of 30734265 is about 313.2378808639.

Adding to 30734265 its reverse (56243703), we get a palindrome (86977968).

The spelling of 30734265 in words is "thirty million, seven hundred thirty-four thousand, two hundred sixty-five".