34785743 has 4 divisors (see below), whose sum is σ = 34805160. Its totient is φ = 34766328.

The previous prime is 34785691. The next prime is 34785767. The reversal of 34785743 is 34758743.

34785743 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34785743 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 34785743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34781743) 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 3 ways as a sum of consecutive naturals, for example, 6713 + ... + 10706.

It is an arithmetic number, because the mean of its divisors is an integer number (8701290).

Almost surely, 2^34785743 is an apocalyptic number.

34785743 is a deficient number, since it is larger than the sum of its proper divisors (19417).

34785743 is a wasteful number, since it uses less digits than its factorization.

34785743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19416.

The product of its digits is 282240, while the sum is 41.

The square root of 34785743 is about 5897.9439637894. The cubic root of 34785743 is about 326.4377892568.

Subtracting from 34785743 its reverse (34758743), we obtain a cube (27000 = 30³).

The spelling of 34785743 in words is "thirty-four million, seven hundred eighty-five thousand, seven hundred forty-three".