1728345795 has 16 divisors (see below), whose sum is σ = 3016749312. Its totient is φ = 837985760.

The previous prime is 1728345793. The next prime is 1728345803. The reversal of 1728345795 is 5975438271.

It is not a de Polignac number, because 1728345795 - 2¹ = 1728345793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1728345793) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5237247 + ... + 5237576.

It is an arithmetic number, because the mean of its divisors is an integer number (188546832).

Almost surely, 2^1728345795 is an apocalyptic number.

1728345795 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1728345795 is a deficient number, since it is larger than the sum of its proper divisors (1288403517).

1728345795 is a wasteful number, since it uses less digits than its factorization.

1728345795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10474842.

The product of its digits is 2116800, while the sum is 51.

The square root of 1728345795 is about 41573.3784410168. The cubic root of 1728345795 is about 1200.0800398001.

The spelling of 1728345795 in words is "one billion, seven hundred twenty-eight million, three hundred forty-five thousand, seven hundred ninety-five".