1728363316 has 12 divisors (see below), whose sum is σ = 3030444900. Its totient is φ = 862521920.

The previous prime is 1728363283. The next prime is 1728363317. The reversal of 1728363316 is 6133638271.

It can be written as a sum of positive squares in 2 ways, for example, as 983073316 + 745290000 = 31354^2 + 27300^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1728363317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 412591 + ... + 416758.

It is an arithmetic number, because the mean of its divisors is an integer number (252537075).

Almost surely, 2^1728363316 is an apocalyptic number.

It is an amenable number.

1728363316 is a deficient number, since it is larger than the sum of its proper divisors (1302081584).

1728363316 is a wasteful number, since it uses less digits than its factorization.

1728363316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829874 (or 829872 counting only the distinct ones).

The product of its digits is 108864, while the sum is 40.

The square root of 1728363316 is about 41573.5891642759. The cubic root of 1728363316 is about 1200.0840950325.

The spelling of 1728363316 in words is "one billion, seven hundred twenty-eight million, three hundred sixty-three thousand, three hundred sixteen".