1728746036 has 12 divisors (see below), whose sum is σ = 3025895712. Its totient is φ = 864204408.

The previous prime is 1728746029. The next prime is 1728746053. The reversal of 1728746036 is 6306478271.

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, 17480 + ... + 61343.

It is an arithmetic number, because the mean of its divisors is an integer number (252157976).

Almost surely, 2^1728746036 is an apocalyptic number.

It is an amenable number.

1728746036 is a deficient number, since it is larger than the sum of its proper divisors (1297149676).

1728746036 is a wasteful number, since it uses less digits than its factorization.

1728746036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84310 (or 84308 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 44.

The square root of 1728746036 is about 41578.1918317764. The cubic root of 1728746036 is about 1200.1726686719.

The spelling of 1728746036 in words is "one billion, seven hundred twenty-eight million, seven hundred forty-six thousand, thirty-six".