169942734 has 48 divisors (see below), whose sum is σ = 400104432. Its totient is φ = 51819264.

The previous prime is 169942723. The next prime is 169942769. The reversal of 169942734 is 437249961.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 169942734.

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 23 ways as a sum of consecutive naturals, for example, 23229 + ... + 29655.

It is an arithmetic number, because the mean of its divisors is an integer number (8335509).

Almost surely, 2^169942734 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 169942734, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200052216).

169942734 is an abundant number, since it is smaller than the sum of its proper divisors (230161698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

169942734 is a wasteful number, since it uses less digits than its factorization.

169942734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6561 (or 6558 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 169942734 is about 13036.2085745818. The cubic root of 169942734 is about 553.9036159309.

The spelling of 169942734 in words is "one hundred sixty-nine million, nine hundred forty-two thousand, seven hundred thirty-four".