1729161748 has 12 divisors (see below), whose sum is σ = 3049133472. Its totient is φ = 857980760.

The previous prime is 1729161719. The next prime is 1729161751. The reversal of 1729161748 is 8471619271.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1729161698 and 1729161707.

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 3 ways as a sum of consecutive naturals, for example, 1649440 + ... + 1650487.

It is an arithmetic number, because the mean of its divisors is an integer number (254094456).

Almost surely, 2^1729161748 is an apocalyptic number.

It is an amenable number.

1729161748 is a deficient number, since it is larger than the sum of its proper divisors (1319971724).

1729161748 is a wasteful number, since it uses less digits than its factorization.

1729161748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3300062 (or 3300060 counting only the distinct ones).

The product of its digits is 169344, while the sum is 46.

The square root of 1729161748 is about 41583.1906904701. The cubic root of 1729161748 is about 1200.2688629043.

The spelling of 1729161748 in words is "one billion, seven hundred twenty-nine million, one hundred sixty-one thousand, seven hundred forty-eight".