169435742 has 16 divisors (see below), whose sum is σ = 290838912. Its totient is φ = 72520920.

The previous prime is 169435727. The next prime is 169435771. The reversal of 169435742 is 247534961.

169435742 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 169435742.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3893 + ... + 18815.

It is an arithmetic number, because the mean of its divisors is an integer number (18177432).

Almost surely, 2^169435742 is an apocalyptic number.

169435742 is a deficient number, since it is larger than the sum of its proper divisors (121403170).

169435742 is a wasteful number, since it uses less digits than its factorization.

169435742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15743.

The product of its digits is 181440, while the sum is 41.

The square root of 169435742 is about 13016.7485187354. The cubic root of 169435742 is about 553.3522450432.

The spelling of 169435742 in words is "one hundred sixty-nine million, four hundred thirty-five thousand, seven hundred forty-two".