34043745 has 32 divisors (see below), whose sum is σ = 56973312. Its totient is φ = 17341632.

The previous prime is 34043743. The next prime is 34043761. The reversal of 34043745 is 54734043.

34043745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 34043745 - 2¹ = 34043743 is a prime.

It is not an unprimeable number, because it can be changed into a prime (34043743) by changing a digit.

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 in 31 ways as a sum of consecutive naturals, for example, 29754 + ... + 30876.

It is an arithmetic number, because the mean of its divisors is an integer number (1780416).

Almost surely, 2^34043745 is an apocalyptic number.

34043745 is the 3369-th octagonal number.

It is an amenable number.

34043745 is a deficient number, since it is larger than the sum of its proper divisors (22929567).

34043745 is a wasteful number, since it uses less digits than its factorization.

34043745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1221.

The product of its (nonzero) digits is 20160, while the sum is 30.

The square root of 34043745 is about 5834.7017918656. The cubic root of 34043745 is about 324.1000586407.

Adding to 34043745 its reverse (54734043), we get a palindrome (88777788).

The spelling of 34043745 in words is "thirty-four million, forty-three thousand, seven hundred forty-five".